Key Collector Comics

X-Factor  (1986)

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X-Factor #6
Marvel ⋅ 1986
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X-Factor #6
 
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Key Facts

1st full appearance and cover of Apocalypse

X-Factor #7
Marvel ⋅ 1986
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X-Factor #7
 
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1st appearance of Skids, a mutant who can produce force fields

1st appearance of Bulk

1st appearance of Glow Worm

1st appearance of Trish Tilby, a reporter and ex-girlfriend of Beast

X-Factor #8
Non-Key
Marvel ⋅ 1986
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X-Factor #8
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #9
Non-Key
Marvel ⋅ 1986
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X-Factor #9
 
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Key Facts

📖 Reading Order: Mutant Massacre Prologue 2

X-Factor #10
Marvel ⋅ 1986
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X-Factor #10
 
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Key Facts

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

2nd full appearance of Apocalypse

📖 Reading Order: Mutant Massacre Part 2

X-Factor #11
Non-Key
Marvel ⋅ 1986
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X-Factor #11
 
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Key Facts

📖 Reading Order: Mutant Massacre Part 8

X-Factor #12
Marvel ⋅ 1987
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X-Factor #12
 
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Key Facts

1st appearance of Autumn Rolfson, becomes Famine

X-Factor #13
Non-Key
Marvel ⋅ 1987
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X-Factor #13
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #14
Non-Key
Marvel ⋅ 1987
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X-Factor #14
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #15
Marvel ⋅ 1987
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X-Factor #15
 
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Key Facts

Angel's wings amputated

1st partial team appearance of the Horsemen of Apocalypse: War, Famine, Pestilence

X-Factor #16
Non-Key
Marvel ⋅ 1987
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X-Factor #16
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #17
Marvel ⋅ 1987
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X-Factor #17
 
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Key Facts

1st appearance of Rictor, a Mexican mutant with the ability to generate seismic energy

X-Factor #18
Non-Key
Marvel ⋅ 1987
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X-Factor #18
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #19
Marvel ⋅ 1987
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X-Factor #19
 
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Key Facts

2nd cover appearance of Apocalypse

1st team cover appearance of the Horsemen of Apocalypse

X-Factor #20
Non-Key
Marvel ⋅ 1987
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X-Factor #20
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #21
Marvel ⋅ 1987
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X-Factor #21
 
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1st cameo appearance of Angel as Death, a Horseman of Apocalypse

X-Factor #22
Marvel ⋅ 1987
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X-Factor #22
 
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Key Facts

2nd cameo appearance of Angel as Death, a Horseman of Apocalypse

X-Factor #23
Marvel ⋅ 1987
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X-Factor #23
 
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Key Facts

1st full team appearance of the Horsemen of Apocalypse: Death, Famine, War, Pestilence

1st full appearance of Angel as the Horseman Death, later named Archangel in X-Factor #38

⚠️ Debatable Firsts: Angel's first appearance as Archangel is often cited as X-Factor #24. The Horseman Death, formerly known as Angel, becomes Archangel in X-Factor #38

X-Factor #24
Marvel ⋅ 1988
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X-Factor #24
 
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Key Facts

1st cover and second appearance of Angel as the Horseman, Death

In X-Factor #38, Beast gives Warren Worthington III the new codename Archangel

Worthington appears in full as the Horseman, Death in X-Factor #23 and in multiple cameos leading up to the issue

X-Factor #25
Marvel ⋅ 1988
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X-Factor #25
 
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Key Facts

3rd appearance of Angel as the Horseman Death

X-Factor #26
Marvel ⋅ 1988
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X-Factor #26
 
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Key Facts

New costume design X-Factor

X-Factor #27
Non-Key
Marvel ⋅ 1988
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X-Factor #27
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #28
Marvel ⋅ 1988
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X-Factor #28
 
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Key Facts

1st appearance of Infectia

X-Factor #29
Non-Key
Marvel ⋅ 1988
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X-Factor #29
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #30
Marvel ⋅ 1988
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X-Factor #30
 
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Key Facts

1st cameo appearance of Nanny, an inventor contained in one of her own cybernetic designs

X-Factor #31
Marvel ⋅ 1988
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X-Factor #31
 
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1st cameo appearance of Orphan Maker

X-Factor #33
Marvel ⋅ 1988
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X-Factor #33
 
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1st full appearance of Orphan Maker

X-Factor #34
Marvel ⋅ 1988
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X-Factor #34
 
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Death of Cameron Hodge

1st full appearance of Nanny

X-Factor #35
Marvel ⋅ 1988
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X-Factor #35
 
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Key Facts

Origin of Cyclops

📖 Inferno Crossover: next, read X-Terminators #1 and #2

X-Factor #36
Non-Key
Marvel ⋅ 1989
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X-Factor #36
 
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Key Facts

📖 Inferno Crossover: next, read Uncanny X-Men #240

X-Factor #37
Non-Key
Marvel ⋅ 1989
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X-Factor #37
 
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Key Facts

📖 Inferno Crossover: next, read Uncanny X-Men #242

X-Factor #38
Marvel ⋅ 1989
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X-Factor #38
 
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Key Facts

Origin and death of the Goblin Queen aka Madelyne Pryor

Warren Worthington, formerly Angel, then the Horseman Death, becomes Archangel, named by Beast

📖 Inferno Crossover: next, read Spectacular Spider-Man #148

X-Factor #39
Non-Key
Marvel ⋅ 1989
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X-Factor #39
 
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Key Facts

📖 Inferno Crossover: next, read Damage Control #4

X-Factor #40
Non-Key
Marvel ⋅ 1989
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X-Factor #40
 
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Key Facts

📖 Inferno Crossover: next, read X-Factor Annual #4

X-Factor #41
Marvel ⋅ 1989
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X-Factor #41
 
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Key Facts

1st appearance of Alchemy

X-Factor #42
Non-Key
Marvel ⋅ 1989
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X-Factor #42
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #43
Non-Key
Marvel ⋅ 1989
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X-Factor #43
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #44
Non-Key
Marvel ⋅ 1989
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X-Factor #44
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #45
Non-Key
Marvel ⋅ 1989
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X-Factor #45
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #46
Non-Key
Marvel ⋅ 1989
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X-Factor #46
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #48
Non-Key
Marvel ⋅ 1989
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X-Factor #48
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #49
Non-Key
Marvel ⋅ 1989
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X-Factor #49
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #50
Non-Key
Marvel ⋅ 1990
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X-Factor #50
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #51
Marvel ⋅ 1990
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X-Factor #51
 
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Key Facts

1st appearance of Mole, a Morlock

X-Factor #52
Non-Key
Marvel ⋅ 1990
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X-Factor #52
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #53
Non-Key
Marvel ⋅ 1990
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X-Factor #53
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #54
Marvel ⋅ 1990
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X-Factor #54
 
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Key Facts

1st appearance of Crimson

X-Factor #56
Non-Key
Marvel ⋅ 1990
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X-Factor #56
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #57
Non-Key
Marvel ⋅ 1990
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X-Factor #57
 
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Key Facts

Non-Key Issue. No additional information is available.

X-Factor #58
Non-Key
Marvel ⋅ 1990
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X-Factor #58
 
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Key Facts

Non-Key Issue. No additional information is available.
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