Uncanny X-Men  (1963)

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Marvel ⋅ 1984

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

Marvel ⋅ 1984

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

Canadian Edition ⋅ Marvel ⋅ 1985

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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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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

Key Facts

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

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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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First battle of Wolverine versus Sabretooth

📖 Reading Order: Mutant Massacre Part 6

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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.

Marvel ⋅ 1987

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Havok joins The X-Men

Marvel ⋅ 1987

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

Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1987

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.
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1st full appearance of the Adversary, reveals its true form

Newsstand ⋅ Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Newsstand ⋅ Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.

Marvel ⋅ 1988

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Non-Key Issue. No additional information is available.
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1st cover and 2nd appearance of Mr. Sinister

1st cover appearance and mention of Madelyne Pryor as the Goblin Queen

📖 Inferno Crossover: Prologue begins, then read X-Factor #33 - #35

Marvel ⋅ 1989

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📖 Inferno Crossover: next, read Power Pack #42

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Origin of Madelyne Pryor as the Goblin Queen

📖 Inferno Crossover: next, read New Mutants #73

Newsstand ⋅ Marvel ⋅ 1989

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Non-Key Issue. No additional information is available.
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