Uncanny X-Men  (1963)

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Key Facts

Cover art by John Romita Jr.

Newsstand ⋅ Marvel ⋅ 1986

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Non-Key Issue. No additional information is available.

Canadian Edition ⋅ Marvel ⋅ 1986

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First mention of the term Omega when referring to the power class of a mutant

Newsstand ⋅ Marvel ⋅ 1986

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Mark Jewelers ⋅ 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.

Newsstand ⋅ Marvel ⋅ 1986

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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

Newsstand ⋅ Marvel ⋅ 1986

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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

Newsstand ⋅ Marvel ⋅ 1986

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First battle of Wolverine versus Sabretooth

📖 Reading Order: Mutant Massacre Part 6

Newsstand ⋅ Marvel ⋅ 1986

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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

Newsstand ⋅ Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.

Marvel Legends ⋅ Marvel ⋅ 1987

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Dazzler joins the X-Men

Newsstand ⋅ Marvel ⋅ 1987

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

Newsstand ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Mark Jewelers ⋅ Marvel ⋅ 1987

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Havok joins The X-Men

Newsstand ⋅ Marvel ⋅ 1987

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Mark Jewelers ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Mark Jewelers ⋅ Marvel ⋅ 1987

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1st full appearance of Mr. Sinister

[July 2022 - Javier Bardem rumored to be cast as Mr. Sinister in an unknown MCU project]

Newsstand ⋅ Marvel ⋅ 1987

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1st full appearance of Mr. Sinister

Reprint ⋅ Marvel ⋅ 1987

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'So Much Fun' variant

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Classic battle of the X-Men versus the Marauders

Newsstand ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Mark Jewelers ⋅ Marvel ⋅ 1987

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Marvel ⋅ 1987

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Newsstand ⋅ Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Newsstand ⋅ Marvel ⋅ 1988

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Mark Jewelers ⋅ Marvel ⋅ 1988

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Marvel ⋅ 1988

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Newsstand ⋅ Marvel ⋅ 1988

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1st full appearance of the Adversary, reveals its true form

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