Uncanny X-Men  (1963)

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Key Facts

2nd team appearance of the X-Men that debuted in Giant-Size X-Men #1

2nd appearance of Storm, Nightcrawler, Colossus and Thunderbird

4th appearance of Wolverine

1st appearance of Dragonfly

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Some resources refer to this as the 2nd full appearance of Wolverine and Hulk #182 a 2nd cameo appearance

Beginning of Chris Claremont's 16-year consecutive run on the title, ending with Uncanny X-Men #279

First new X-Men story following five years of reprints

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Key Facts

Unofficial DC crossover of a reporter named Clark Kent who appears over 20 times in Marvel books

Revealed that Wolverine's claws are a part of his body, not a part of his gloves as Len Wein initially intended

1st cameo appearance of Amanda Sefton, ex-girlfriend of Nightcrawler and former ruler of Limbo, later named Daytripper

Cameo appearance of Jack Kirby and Stan Lee

Price Variant ⋅ Marvel ⋅ 1976
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Key Facts

$0.30 price variant

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Key Facts

1st cameo appearance of Black Tom Cassidy

Price Variant ⋅ Marvel ⋅ 1976
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Key Facts

$0.30 price variant

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Key Facts

Classic battle of the original X-Men vs the new X-Men

First use of the phrase 'Fastball Special' when Colossus launches Wolverine at an enemy

Price Variant ⋅ Marvel ⋅ 1976
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Key Facts

$0.30 price variant

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Debut of new powers, Jean Grey is reborn as the Phoenix

Ten years later this moment would be further developed where the Phoenix is an actual cosmic entity of vast power that copied Grey’s physical form while placing her body in a cocoon to heal from her injuries

1st full appearance of Black Tom Cassidy

Marvel Legends ⋅ Marvel ⋅ 2004
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Key Facts

Reprint of X-Men #101

Packed with the 2004 Marvel Legends Phoenix action figure

There is a red costume version of the Phoenix action figure and a green costume version

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Key Facts

First battle of the Juggernaut versus Colossus

Origin of Storm

Marvel ⋅ 1977
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Key Facts

Wolverine's first name revealed to be 'Logan'

1st cameo appearance of D'Ken Neramani

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1st appearance of Corsair, father of Cyclops, Havok and Vulcan

1st appearance of Ch'od, a member of the Starjammers

2nd cameo appearance of Lilandra

First mention of Mutant X aka Proteus

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1st full appearance of Lilandra, future empress of the Shi'ar alien empire

Debut of Jean Grey's new Phoenix powers in battle versus Firelord

Price Variant ⋅ Marvel ⋅ 1977
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Key Facts

$0.35 price variant

🥈 Runner-Up: New High [Previous High]

9.4 sold for $2,950 [$1,100 in 2020] +168%

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1st appearance of the Entity, the dark side of Professor X

There are similarities between the Entity and Onslaught although the Entity is Xavier's dark side while Onslaught is the manifestation of Xavier and Magento's dark sides

Price Variant ⋅ Marvel ⋅ 1977
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Key Facts

$0.35 price variant

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1st full team appearance of the Starjammers: Corsair, Ch'od, Hepzibah, Astra and Raza

Debut of Wolverine's Fang costume

1st team appearance of the Shi'ar Imperial Guard

1st appearance of the M'Krann Crystal

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1st appearance of Gladiator, leader of the Imperial Guard

1st full appearance of D'Ken Neramani, a Shi’ar royal

Price Variant ⋅ Marvel ⋅ 1977
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Key Facts

$0.35 price variant

Marvel ⋅ 1978
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Key Facts

1st appearance of Weapon Alpha, becomes Vindicator in X-Men #120

Marvel ⋅ 1978
Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
Marvel ⋅ 1978
Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
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1st appearance of the Shadow King, Amahl Farouk, a powerful psychic

Origin of Professor X concerning a difficult psychic battle against Amahl Farouk which was the inspiration to create the X-Men

Professor X recalls his first encounter with Storm

Marvel ⋅ 1979
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1st appearance of Mariko Yashida, Wolverine's now-deceased fiance

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Cameo of Proteus, voice only

Insignia of a Golden Eagle award on the cover refers to a U.K. fan award for favorite dramatic comic book

Marvel ⋅ 1979
Values Coming Soon

Key Facts

1st appearance of Colossus as The Proletarian

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1st full appearance of Proteus, a featureless human shape composed of white light

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Iconic cover art by Dave Cockrum

Marvel ⋅ 1981
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Non-Key Issue. No additional information is available.
Marvel ⋅ 1981
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Non-Key Issue. No additional information is available.
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1st appearance of Caliban, a mutant with the ability to track other mutants

Angel quits the X-Men

Marvel ⋅ 1981
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Non-Key Issue. No additional information is available.
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Origin of Magneto, specifically the first time a reference is made to having Jewish ancestry and his childhood spent in Auschwitz

Marvel ⋅ 1981
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Non-Key Issue. No additional information is available.
Marvel ⋅ 1982
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Non-Key Issue. No additional information is available.
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Origin of the Summers family: Cyclops, Havok, Corsair

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1st team appearance of the Brood, an alien race

1st appearance of the Brood Queen

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Origin of Corsair

1st appearance of the Acanti, an ancient race of aliens that are described as space whales

Marvel ⋅ 1982
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Non-Key Issue. No additional information is available.
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Key Facts

2nd appearance of Rogue, tied with Rom #31

According to the solicitation catalogs from 1982, both Rom #31 and Uncanny X-Men #158 went on sale March 9th

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Origin of Magneto

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Solo story featuring Wolverine

Debut of Star Sharks aka Space Sharks

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Origin of Binary, Carol Danvers is subjected to evolutionary enhancements as a host of the Brood alien hatchlings

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Key Facts

1st appearance of Ms. Marvel, Carol Danvers as Binary

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