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Uncanny X-Men #1
Marvel ⋅ 1963
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Uncanny X-Men #1
 
Low
$6.2k
Mid
$14k
High
$85k

Key Facts

1st team appearance of the X-Men: Cyclops, Jean Grey aka Marvel Girl, Iceman, Angel, Beast, Professor X

1st appearance of Magneto

Homo Superior concept, coined by Magneto to describe humans born with special abilities introduced in this issue

Uncanny X-Men #4
Marvel ⋅ 1964
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Uncanny X-Men #4
 
Low
$525
Mid
$2.1k
High
$10.5k

Key Facts

1st team appearance of the Brotherhood of Evil Mutants led by Magneto

1st appearance of Scarlet Witch

1st appearance of Quicksilver

1st appearance Mastermind, later becomes Jason Wyngarde

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1st appearance of Toad

2nd appearance of Magneto

Although the Scarlet Witch's costume is colored green on the cover, it is red in the story

[October 2023 - Toad rumored to appear in Deadpool 3 along with other previously seen villains from the Fox movies / December 2023 - a Brotherhood of Mutants projects is rumored to be in discussion for the MCU slate]

Uncanny X-Men #120
Marvel ⋅ 1979
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Uncanny X-Men #120
 
Low
$20
Mid
$80
High
$215

Key Facts

1st cameo team appearance of Alpha Flight: Sasquatch, Aurora, Northstar, Shaman, Snowbird

[June 2020 - Alpha Flight rumored to make an appearance in the MCU]

Uncanny X-Men #129
Marvel ⋅ 1980
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Uncanny X-Men #129
 
Low
$50
Mid
$125
High
$350

Key Facts

The Dark Phoenix Saga Part 1

1st appearance of Kitty Pryde

1st appearance of Emma Frost, the White Queen

1st cameo team appearance of The Hellfire Club, in shadows

Marvel Graphic Novel #4
Marvel ⋅ 1982
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Marvel Graphic Novel #4
 
Low
$10
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$30
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$100

Key Facts

1st team appearance of New Mutants: Cannonball (1st), Psyche (1st), Wolfsbane (1st), Sunspot (1st), Karma

Psyche aka Dani Moonstar later becomes Mirage

1st appearance of the White Rook, a member of the Hellfire Club

Alpha Flight #1
Marvel ⋅ 1983
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Alpha Flight #1
 
Low
$2
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$8
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$20

Key Facts

1st appearance of Puck, a superb fighter with no mutant powers

1st appearance of Marrina, wife of Namor

1st appearance of Tundra, a member of the Great Beasts

1st appearance of Madison Jeffries

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1st cameo appearance of Wild Child

1st cameo team appearance of Gamma Flight, a team training to rise the ranks through Beta Flight to Alpha Flight

New Mutants #16
Marvel ⋅ 1984
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New Mutants #16
 
Low
$2
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$4
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$12

Key Facts

1st appearance of James Proudstar, the second Thunderbird, later becomes Warpath

1st team appearance of the Hellions: Roulette, Empath, Jetstream, Tarot, Thunderbird, Catseye

Uncanny X-Men #199
Marvel ⋅ 1985
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Uncanny X-Men #199
 
Low
$1
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$2
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$9

Key Facts

1st appearance of Rachel Summers as the second Phoenix

The Brotherhood of Evil Mutants becomes the Freedom Force: Mystique, Blob, Destiny, Spiral, Avalanche and Pyro

X-Factor #1
Marvel ⋅ 1986
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X-Factor #1
 
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$1
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$2
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$10

Key Facts

1st team appearance of X-Factor, the original X-Men: Cyclops, Jean Grey, Beast, Iceman, Angel

1st appearance of Cameron Hodge, a human who passionately hated mutants

1st appearance of Rusty Collins, a mutant with the ability to manipulate fire

📈 +260% increase in copies sold this week versus the previous week

Uncanny X-Men #210
Marvel ⋅ 1986
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Uncanny X-Men #210
 
Low
$3
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$9
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$15

Key Facts

1st cameo team appearance of The Marauders: Arclight, Harpoon, Riptide, Vertigo, Scalphunter and Scrambler

This cover was later reprinted for a trade paperback collection but digitally augmented to remove the cigar that Wolverine was smoking

📖 Reading Order: Mutant Massacre Prologue 1

X-Men Annual #10
Marvel ⋅ 1987
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X-Men Annual #10
 
Low
$1
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$2
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$7

Key Facts

1st appearance of the X-Babies, the X-Men transformed into children

Later official 1st appearance in X-Men Annual #12

Longshot joins the X-Men

Fallen Angels #2
Marvel ⋅ 1987
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Fallen Angels #2
 
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$1
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$2
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$3

Key Facts

1st appearance of Gomi, a cyborg with two cybernetically-enhanced lobsters

1st appearance of Bill and Don the lobster

Excalibur Special Edition #1
Marvel ⋅ 1988
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Excalibur Special Edition #1
 
Low
$1
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$2
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$5

Key Facts

1st team appearance of Excalibur: Captain Britain, Meggan, Rachel Summers as Phoenix, Kitty Pryde, Lockheed, Nightcrawler

Note: there are two first print versions: the version pictured here is more scarce and doesn't display a price on the cover. The other shows a price of $3.25

Everything $3.50 and above are later printings

X-Terminators #1
Marvel ⋅ 1988
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X-Terminators #1
 
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$1
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$2
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$8

Key Facts

1st team appearance of The X-Terminators: Boom Boom, Rictor, Rusty Collins, Skids, Leech, Artie Maddicks, Wiz Kid (1st)

New Mutants #100
Marvel ⋅ 1991
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New Mutants #100
 
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$1
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$2
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$4

Key Facts

1st team appearance of X-Force: Cable, Shatterstar, Feral, Cannonball, Boom Boom, Domino, Warpath

The New Mutants become X-Force, renamed by Cable

Stryfe is revealed to be a clone of Cable

📣 Signature Auction: New High [Previous High]

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9.9 sold for $5,760 [$275 in 2011] +1,995%

There is one copy graded 9.9 known to exist

X-Men #1
Marvel ⋅ 1991
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X-Men #1
 
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$1
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$2
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$5

Key Facts

1st team appearance of the X-Men Gold (team): Storm, Archangel, Colossus, Iceman and Jean Grey

1st team appearance of the X-Men Blue (team): Cyclops, Wolverine, Gambit, Rogue, Psylocke and Beast

1st team appearance of The Acolytes: Fabian Cortez, Annie-Marie Cortez, Chrome, Nance Winters, Delgado

Best-selling comic of all-time with sales of 8.1 million copies

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Interior pin-up by Jim Lee, 'A Villains Gallery'

Uncanny X-Men #282
Marvel ⋅ 1991
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Uncanny X-Men #282
 
Low
$2
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$8
High
$20

Key Facts

1st cover and cameo appearance of Bishop, in final panel

1st cameo team appearance of the X.S.E., the Xavier Security Enforcers: Bishop, Malcolm, Randall

[October 2022 - Bishop to appear in the X-Men '97 animated series]

X-Men 2099 #1
Marvel ⋅ 1993
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X-Men 2099 #1
 
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$1
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$2
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$3

Key Facts

1st team appearance of the X-Men 2099: Cerebra, Desert Ghost, Meanstreak, Serpentina, Krystalin, Fitzgerald, Metalhead

Generation X #1
Marvel ⋅ 1994
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Generation X #1
 
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$1
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$2
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$3

Key Facts

1st appearance of Chamber

1st appearance of Emplate, Marius St. Croix, a psychic vampire

1st cameo appearance of Penance, later revealed to be the real Monet St. Croix

Chromium wraparound cover

Gambit & the X-Ternals #1
Marvel ⋅ 1995
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Gambit & the X-Ternals #1
 
Low
$1
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$2
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$3

Key Facts

1st team appearance of the X-Ternals: Gambit, Jubilee, Strong Guy, Lila Cheney, Sunspot

📖 Reading Order: Age of Apocalypse

Factor X #1
Marvel ⋅ 1995
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Factor X #1
 
Low
$1
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$3
High
$10

Key Facts

1st appearance of Bedlam, a mutant who can disrupt tech with psionic pulses

1st appearance of Christopher aka Terrence Aronson, brother of Jesse and a telepath

📖 Reading Order: Age of Apocalypse

Ultimate X-Men #1
Marvel ⋅ 2001
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Ultimate X-Men #1
 
Low
$1
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$2
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$7

Key Facts

1st team appearance of the Ultimate X-Men: Professor X, Marvel Girl, Cyclops, Storm, Colossus, Beast, Iceman

X-Force #116
Marvel ⋅ 2001
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X-Force #116
 
Low
$3
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$9
High
$30

Key Facts

1st team appearance of X-Statix: Coach, Anarchist, Battering Ram, Gin Genie, La Nuit, Plazm, Sluk, Zeitgeist, Doop and U-Go Girl

X-Treme X-Men #1
Marvel ⋅ 2001
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X-Treme X-Men #1
 
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$1
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$2
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$3

Key Facts

1st team appearance of the X-Treme X-Men: Storm, Beast, Bishop, Sage, Psylocke, Thunderbird (Shaara)

1st appearance of Vargas, the next step in human evolution

New X-Men #114
Marvel ⋅ 2001
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New X-Men #114
 
Low
$1
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$5
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$18

Key Facts

1st appearance of Cassandra Nova, a parasite from the astral plane who replicated the DNA of Charles Xavier while still in utero

Beast appears with further animal mutations

Debut of new X-Men suits

[August 2023 - Emma Corrin to portray Cassandra Nova in Deadpool]

Exiles #1
Marvel ⋅ 2001
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Exiles #1
 
Low
$1
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$2
High
$4

Key Facts

1st team appearance of the Exiles, an often alternating roster of out-of-place heroes from different dimensions

1st appearance of Morph, a character who transforms into other characters for comedic effect

1st full appearance of Nocturne, the daughter of Nightcrawler from an alternate reality

1st appearance of the Timebroker, the entity who gathered the Exiles together

Uncanny X-Men #401
Marvel ⋅ 2002
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Uncanny X-Men #401
 
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$1
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$2
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$3

Key Facts

1st appearance of X-Corps: Avalanche, Blob, Radius, Multiple Man, Banshee

Not to be confused with X-Corporation, the X-Corps is akin to a security force, led by Banshee

New X-Men: Academy X #12
Marvel ⋅ 2005
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New X-Men: Academy X #12
 
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$1
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$2
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$3

Key Facts

1st team appearance of the Paragons, a training squad: DJ, Match, Pixie, Preview (1st), Trance (1st), Wolf Cub, Specter

New X-Men: Academy X #23
Marvel ⋅ 2006
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New X-Men: Academy X #23
 
Low
$1
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$5
High
$18

Key Facts

1st appearance of Gentle, a mutant from Wakanda

1st team appearance of a new, New X-Men roster: X-23, Dust, Mercury, Rockslide, Surge, Hellion, Elixir

Cover art inspired by Uncanny X-Men #171 (1983)

Uncanny X-Men #493
Marvel ⋅ 2008
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Uncanny X-Men #493
 
Low
$1
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$2
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$3

Key Facts

1st team appearance of new X-Force roster: Wolverine, X-23, Warpath, Caliban, Hepzibah, Wolfsbane

Young X-Men #1
Marvel ⋅ 2008
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Young X-Men #1
 
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$1
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$2
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$3

Key Facts

1st team appearance of the Young X-Men: Dust, Rockslide, Blindfold, Wolf Cub, Ink

1st appearance of Ink, a human powered by tattoos applied by a mutant

1st appearance of Jonas Graymalkin, a mutant with indestructible form whose powers increase in the dark

X-Men: Second Coming #2
Marvel ⋅ 2010
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X-Men: Second Coming #2
 
Low
$1
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$2
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$4

Key Facts

1st team appearance of X-Force: Archangel, Wolverine, Psylocke, Fantomex, E.V.A., Deadpool

Marvel Point One #1
Marvel ⋅ 2011
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Marvel Point One #1
 
Low
$3
Mid
$9
High
$30

Key Facts

1st appearance of Nova, Sam Alexander

1st appearance of Kaine as the Scarlet Spider

Death of Terrax the Tamer

1st team appearance of X-Terminated: Horror Show, Fiend, Deadeye, Prophet, Goodnight

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Debut of Doctor Strange from an alternate Earth with new costume design

[March 2022 - Deadline reports a Nova project is in development]

Weapon X #22
Marvel ⋅ 2018
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Weapon X #22
 
Low
$4
Mid
$4
High
$4

Key Facts

1st team appearance of Weapon X-Force: Sabretooth, Domino, Lady Deathstrike, Omega Red and Mystique

Knights of X #1
Marvel ⋅ 2022
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Knights of X #1
 
Low
$1
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$2
High
$4

Key Facts

1st team appearance of the Knights of X: Captain Britain, Mordred, Kylun, Prestige, Bei the Blood Moon, Shogo Lee, Gambit, Rictor, Gloriana, Shatterstar

Legion of X #1
Marvel ⋅ 2022
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Legion of X #1
 
Low
$1
Mid
$2
High
$5

Key Facts

1st appearance of Weaponless Zsen

1st appearance of Ora Serrata

1st appearance of Mother Righteous

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