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Marvel ⋅ Sep 1963
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$6.2k
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$14k
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$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
Marvel ⋅ Mar 1964
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$525
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$2.1k
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$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]
Marvel ⋅ Apr 1979
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$20
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$80
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$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]
Marvel ⋅ Jan 1980
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$50
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$125
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$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
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$10
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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
Marvel ⋅ Aug 1983
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$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
Marvel ⋅ Jun 1984
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$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
Marvel ⋅ Nov 1985
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$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
Marvel ⋅ Feb 1986
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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
Marvel ⋅ Oct 1986
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$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
Marvel ⋅ Jan 1987
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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
Marvel ⋅ May 1987
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Key Facts

1st appearance of Gomi, a cyborg with two cybernetically-enhanced lobsters
1st appearance of Bill and Don the lobster
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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
Marvel ⋅ Oct 1988
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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)
Marvel ⋅ Apr 1991
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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
Marvel ⋅ Oct 1991
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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'
Marvel ⋅ Nov 1991
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$8
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$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 rumored to be in X-Men '97 animated series]
Marvel ⋅ Oct 1993
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$1
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$3

Key Facts

1st team appearance of the X-Men 2099: Cerebra, Desert Ghost, Meanstreak, Serpentina, Krystalin, Fitzgerald, Metalhead
Marvel ⋅ Nov 1994
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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
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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
Marvel ⋅ Mar 1995
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$1
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$3
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$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
Marvel ⋅ Feb 2001
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$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
Marvel ⋅ May 2001
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$3
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$9
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$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
Marvel ⋅ Jul 2001
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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
Marvel ⋅ Jul 2001
Price Trend
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$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 is rumored to portray Cassandra Nova in Deadpool]
View more (1)
📈 +1,540% increase in copies sold this week versus the previous week
Marvel ⋅ Aug 2001
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$1
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$2
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$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
Marvel ⋅ Feb 2002
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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
Marvel ⋅ Jun 2005
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Key Facts

1st team appearance of the Paragons, a training squad: DJ, Match, Pixie, Preview (1st), Trance (1st), Wolf Cub, Specter
Marvel ⋅ Apr 2006
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$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)
Marvel ⋅ Feb 2008
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Key Facts

1st team appearance of new X-Force roster: Wolverine, X-23, Warpath, Caliban, Hepzibah, Wolfsbane
Marvel ⋅ May 2008
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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
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Key Facts

1st team appearance of X-Force: Archangel, Wolverine, Psylocke, Fantomex, E.V.A., Deadpool
Marvel ⋅ Nov 2011
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$3
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$9
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$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
View more (2)
Debut of Doctor Strange from an alternate Earth with new costume design
[March 2022 - Deadline reports a Nova project is in development]
Marvel ⋅ Aug 2018
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$4
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$4
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$4

Key Facts

1st team appearance of Weapon X-Force: Sabretooth, Domino, Lady Deathstrike, Omega Red and Mystique
Marvel ⋅ Apr 2022
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$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
Marvel ⋅ May 2022
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Key Facts

1st appearance of Weaponless Zsen
1st appearance of Ora Serrata
1st appearance of Mother Righteous

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