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

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

Death of Thunderbird, John Proudstar, killed in a plane crash

3rd appearance of Nightcrawler

Earliest use of the word 'Bamf' to describe the sound of Nightcrawler teleporting via an alternate dimension

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Key Facts

1st appearance of Moira McTaggert, an Omega Level Mutant who retains her memory after death and reincarnation

Debut of Wolverine's berserker rage

1st appearance of Steven Lang, one of the Sentinel program pioneers

1st appearance of Kierrok, a demon created by Chthon

UK Edition ⋅ Marvel ⋅ 1975

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
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Key Facts

1st cameo appearance of Lilandra, fully obscured by a spacesuit

1st appearance of the second Erik the Red, a warrior for the Shi'ar

First use of the name Polaris by Lorna Dane

Revealed that Colossus's first name is Peter

Marvel Legends ⋅ Marvel ⋅ 2005

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Key Facts

Distributed with the Havok Marvel Legends action figure

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Key Facts

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

Wolverine unmasks for the first time and reveals that his claws are a part of his body, not a part of his gloves as creator 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

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Key Facts

1st cameo appearance of Black Tom Cassidy

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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

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Key Facts

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

Foil ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

Blank ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

Facsimile ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

Store Exclusive ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

Store Exclusive ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

Store Exclusive ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.

UK Edition ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.
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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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Key Facts

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

First meeting and battle of Wolverine and Magneto

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Key Facts

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

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Key Facts

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

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Key Facts

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

1st appearance of Gladiator, leader of the Imperial Guard

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

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Key Facts

First John Byrne artwork on the X-Men title

Collaboration of Claremont and Byrne begins and runs through issue #143

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Key Facts

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

UK Edition ⋅ 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.

UK Edition ⋅ 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.

Marvel ⋅ 1978

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$85

Key Facts

Classic cover art by George Perez

Marvel ⋅ 1978

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
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Key Facts

First time the word ‘Uncanny’ appears above ‘X-Men’ but the title didn't officially become ‘Uncanny X-Men’ until #142

UK Edition ⋅ 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.

Marvel ⋅ 1978

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Key Facts

Introduction of Wolverine's healing power though it is only hinted at

First time it is implied that Wolverine took a life of an enemy

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Key Facts

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

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Key Facts

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

Whitman ⋅ Marvel ⋅ 1979

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Key Facts

Whitman edition, identified by a blank UPC box

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Key Facts

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

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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 ⋅ 1979

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Key Facts

1st full team appearance of Alpha Flight: Aurora, Northstar, Sasquatch, Snowbird, Shaman, and Vindicator, formerly Weapon Alpha

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Key Facts

Origin of Colossus

Mastermind assumes the physical identity of a Scottish man named Jason Wyngarde, an identity he kept for many years

Marvel ⋅ 1979

Values Coming Soon

Key Facts

1st appearance of Colossus as The Proletarian

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Key Facts

1st cameo appearance of Mutant X aka Proteus, the son of Moira MacTaggert

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Key Facts

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

Marvel ⋅ 1979

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1979

Values Coming Soon

Key Facts

Non-Key Issue. No additional information is available.
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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

Facsimile ⋅ Marvel ⋅ 2023

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Key Facts

Non-Key Issue. No additional information is available.
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