Uncanny X-Men  (1963)

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Marvel ⋅ 1978

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1979

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Key Facts

1st appearance of Colossus as The Proletarian

Marvel ⋅ 1979

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1979

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1981

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1981

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1981

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1981

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$3

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1982

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$3

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1983

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Complete copy includes Lakeside Skin Tattooz temporary tattoos

Marvel ⋅ 1983

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1983

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$3

Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1984

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Non-Key Issue. No additional information is available.

Mark Jewelers ⋅ Marvel ⋅ 1984

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1984

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1984

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$3

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Non-Key Issue. No additional information is available.
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$5

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1st appearance of Amiko, the foster daughter of Wolverine

Newsstand ⋅ Marvel ⋅ 1984

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1984

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1984

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Key Facts

Non-Key Issue. No additional information is available.

Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.
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$3
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$9
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$30

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1st appearance of Nimrod, an advanced sentinel from an alternate timeline

Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1985

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Cover art by John Romita Jr.

Newsstand ⋅ Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.
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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

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'Trial of Magneto'

Magneto becomes headmaster of Xavier's Academy

Andrea and Andreas Von Strucker become Fenris, a terrorist organization

Newsstand ⋅ Marvel ⋅ 1985

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$15

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Non-Key Issue. No additional information is available.

Canadian Edition ⋅ Marvel ⋅ 1985

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Non-Key Issue. No additional information is available.
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$25

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1st appearance of Nathan Summers (Cable) as a baby, son of Scott Summers and Madelyne Pryor

Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1986

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Key Facts

Non-Key Issue. No additional information is available.

Newsstand ⋅ Marvel ⋅ 1986

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Key Facts

Non-Key Issue. No additional information is available.

Canadian Edition ⋅ Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.
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$35

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Cover art by John Romita Jr.

Canadian Edition ⋅ Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.
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First mention of the term Omega when referring to the power class of a mutant

Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.
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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

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

Specialty border printed on select covers published in November 1986 celebrating Marvel's 25th Anniversary or more precisely, the 25th year since Fantastic Four #1 was published in November 1961

📖 Reading Order: Mutant Massacre Part 1

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First battle of Wolverine versus Sabretooth

📖 Reading Order: Mutant Massacre Part 6

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Betsy Braddock joins the X-Men and adopts the name Psylocke

1st cameo appearance of Mr. Sinister

📖 Reading Order: Mutant Massacre Part 9

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Dazzler joins the X-Men

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1st appearance of Stonewall, Super Sabre and Crimson Commando - a team of Cold War veterans turned vigilantes

Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.

Newsstand ⋅ Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.
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