PROTEUS (MARVEL)

The X-Men #125"There's Something AWFUL on Muir Island!"

Earliest catalogued appearance of Proteus (Marvel).

Sep 1979

No listings

The X-Men #126"How Sharper Than A Serpent's Tooth..."

Oct 1979

No listings

The X-Men #127"The Quality of Hatred!"

Nov 1979

No listings

The X-Men #128"The Action of the Tiger!"

Dec 1979

No listings

Classic X-Men #25"T'was The Night Before Christmas; Just don't look in it's eyes"

Sep 1988

No listings

Classic X-Men #31"There's Something Awful on Muir Island!; The Spigot at the end of the Universe"

Mar 1989

No listings

Classic X-Men #32"How sharper than a serpent's tooth...!; Shreds of Humanity"

Apr 1989

No listings

Classic X-Men #33"The Quality of Hatred; So Good It Hurts"

May 1989

No listings

Classic X-Men #34"The Action of the Tiger!; Double Negative"

Jun 1989

No listings

Classic X-Men #44"Elegy; Her First & Last"

Feb 1990

No listings

What If...? #23

Mar 1991

No listings

The New Warriors Annual #1

Earliest catalogued appearance of Copycat.

Jul 1991

No listings

X-Men Annual #15"Queens of Sacrifice"

Sep 1991

No listings

X-Factor Annual #6"King of Pain"

Oct 1991

No listings

X-Men #4"The Resurrection and The Flesh"

Earliest catalogued appearance of Omega Red.

Jan 1992

No listings

Excalibur #73

Jan 1994

No listings

What If...? #110

Jul 1998

No listings

Ultimate X-Men #16"World Tour: Part 1"

May 2002

No listings

Ultimate X-Men #17"World Tour: Part 2"

Jun 2002

No listings

Ultimate X-Men #18"World Tour: Part 3"

Jul 2002

No listings

Ultimate X-Men #19"World Tour: Part 4"

Aug 2002

No listings

Ultimate X-Men #26"Return of the King: Prelude"

Feb 2003

No listings

Marvel Masterworks: The Uncanny X-Men #4"Volume 4"

Oct 2004

No listings

Exiles #69

Nov 2005

No listings

Exiles #70

Nov 2005

No listings

Exiles #71

Dec 2005

No listings

Exiles #72

Earliest catalogued appearances of Scuzz, Twilight (New Universe), Reinforcer, and 2 more.

Jan 2006

No listings

Exiles #73

Feb 2006

No listings

Exiles #74

Feb 2006

No listings

Exiles #75

Mar 2006

No listings

Exiles #76

Mar 2006

No listings

Exiles #77

Apr 2006

No listings

Exiles #78

May 2006

No listings

Exiles #79

Jun 2006

No listings

Exiles #80

Jul 2006

No listings

Exiles #81

Jul 2006

No listings

Exiles #82

Aug 2006

No listings

Exiles #83

Aug 2006

No listings

Exiles #84

Sep 2006

No listings

Exiles #85

Oct 2006

No listings

Exiles #86

Nov 2006

No listings

Exiles #87

Dec 2006

No listings

Exiles #88

Jan 2007

No listings

Exiles #89

Feb 2007

No listings

Exiles #90

Mar 2007

No listings

Exiles #91

Apr 2007

No listings

Exiles #92

May 2007

No listings

Exiles #93

Jun 2007

No listings

Exiles #94

Jul 2007

No listings

Exiles #95

Aug 2007

No listings

Exiles #96

Sep 2007

No listings

Exiles #97

Oct 2007

No listings

Exiles #98

Nov 2007

No listings

X-Men: Die by the Sword #2"First Blood"

Earliest catalogued appearance of Mystiq.

Dec 2007

No listings

Exiles #99

Dec 2007

No listings

X-Men: Die by the Sword #3"When Falls A Dream"

Jan 2008

No listings

Exiles #100

Feb 2008

No listings

New Exiles #1

Mar 2008

No listings

New Exiles #2

Earliest catalogued appearance of Remy McKenzie.

Apr 2008

No listings

New Exiles #0

Apr 2008

No listings

New Exiles #4

Jun 2008

No listings

X-Men: Legacy #211"Sins Of The Father, Part 1"

Jul 2008

No listings

New Exiles #5

Jul 2008

No listings

New Exiles #6

Jul 2008

No listings

New Exiles #7

Aug 2008

No listings

New Exiles #8

Sep 2008

No listings

New Exiles #9

Oct 2008

No listings

New Exiles #10

Oct 2008

No listings

New Exiles #13

Dec 2008

No listings

New Exiles #14

Jan 2009

No listings

New Exiles #15

Feb 2009

No listings

New Exiles Annual #1

Feb 2009

No listings

New Exiles #17

Mar 2009

No listings

New Exiles #18

Apr 2009

No listings

X-Men: Legacy #231"Earth Give Up Your Dead, Part 1"

Feb 2010

No listings

X-Men: Legacy #232"Earth Give Up Your Dead, Part 2"

Mar 2010

No listings

X-Men: Legacy #233"Earth Give Up Your Dead, Part 3"

Apr 2010

No listings

Astonishing X-Men #7"A Man Called X Part One; [Untitled]"

Mar 2018

No listings

Astonishing X-Men #8"A Man Called X Part Two"

Apr 2018

No listings

Astonishing X-Men #9"A Man Called X Part Three"

May 2018

No listings

Astonishing X-Men #10"A Man Called X Part Four"

Jun 2018

No listings

Astonishing X-Men #11"A Man Called X Part Five"

Jul 2018

No listings

Astonishing X-Men #12"A Man Called X Finale: Mindkiller"

Aug 2018

No listings

X-Factor #5"Suite No. 5: First Movement Finale; "After A Summer of Allostatic Overload""

Feb 2021

No listings

Planet-Size X-Men #1"Fireworks"

Aug 2021

No listings

Inferno #2

Dec 2021

No listings

X-Men: The Trial of Magneto #5"To Catch a Toad"

Feb 2022

No listings

Free Comic Book Day 2022: Avengers/X-Men #1

Earliest catalogued appearance of Bloodline.

May 2022

No listings

Immortal X-Men #1"Part One: The Left Hand"

May 2022

No listings

X-Men '92: House of XCII #1

Jun 2022

No listings

Immortal X-Men #2"Part Two: All Mankind's Woes"

Jul 2022

No listings

The Amazing Spider-Man #9

Nov 2022

No listings

Immortal X-Men #7"Part 7: Red in Blue"

Dec 2022

No listings

Immortal X-Men #10"Part 10: Hated and Feared"

Mar 2023

No listings

Wolverine #31"Weapons of X Part One"

May 2023

No listings

Immortal X-Men #14"Sympathy for the Scarlet Witch"

Oct 2023

No listings

Immortal X-Men #16"The Island of Doctor Xavier"

Dec 2023

No listings

Howard the Duck #1

Jan 2024

No listings