ERG

The Uncanny X-Men #195"It Was a Dark and Stormy Night...!"

Earliest catalogued appearances of Erg, Ape, Beautiful Dreamer (Marvel), and 1 more.

Jul 1985

No listings

Power Pack #12"Underground"

Jul 1985

No listings

Power Pack #19"Guess Who's Coming To Dinner?"

Feb 1986

No listings

The Official Handbook of the Marvel Universe #9"Molecule Man To Owl"

Aug 1986

No listings

X-Factor #10"Falling Angel!"

Earliest catalogued appearances of Riptide, Blockbuster (Marvel), and Prism (Marvel).

Nov 1986

No listings

X-Factor #11"Redemption!"

Earliest catalogued appearance of War (Kieros).

Dec 1986

No listings

Power Pack #27"Whose Power--?"

Dec 1986

No listings

X-Factor #12"Boom Boom Boom!"

Earliest catalogued appearance of Famine (Rolfson).

Jan 1987

No listings

X-Factor #15"Whose Death Is This Anyway?"

Apr 1987

No listings

Decimation: House of M - The Day After #1

Jan 2006

No listings

X-Men: The 198 Files #1

Earliest catalogued appearance of Litterbug.

Jan 2006

No listings

X-Men: The 198 #1"Part 1"

Mar 2006

No listings

X-Men #183"The Blood of Apocalypse Part 2: The Hunger / Riddles of the Sphinx Part 2"

Apr 2006

No listings

X-Men: The 198 #2"Part 2"

Apr 2006

No listings

X-Men: The 198 #3"Part 3"

May 2006

No listings

X-Men: The 198 #4"Part 4"

Jun 2006

No listings

X-Men: The 198 #5"Part 5"

Jul 2006

No listings

Civil War: X-Men #1

Sep 2006

No listings

Civil War Files #1"Whose Side Are You On?"

Earliest catalogued appearances of Noh-Varr and Tarantula (Vasquez).

Sep 2006

No listings

Civil War: X-Men #3

Nov 2006

No listings

Civil War: X-Men #4

Dec 2006

No listings

The Uncanny X-Men #487"The Extremists"

Aug 2007

No listings

The Uncanny X-Men #488"The Extremists, Part 2; Endangered Species, Chapter 2"

Sep 2007

No listings

The Uncanny X-Men #489"The Extremists, Part 3; Endangered Species, Chapter 6"

Oct 2007

No listings

The Uncanny X-Men #490"The Extremists, Part 4; Endangered Species, Chapter 10"

Nov 2007

No listings

The Uncanny X-Men #491"The Extremists, Part 5; Endangered Species, Chapter 14"

Dec 2007

No listings

X-Men: Divided We Stand #1"Danger Room; Home; Blend In; Belong; Migas"

Jun 2008

No listings

X-Men: Worlds Apart #2"Part Two"

Jan 2009

No listings

Dark Avengers/Uncanny X-Men: Utopia #1"Utopia Chapter 1"

Aug 2009

No listings

X-Men: Legacy #226"Suppressing Fire, Part 1"

Sep 2009

No listings

Dark Reign: The List - X-Men #1

Nov 2009

No listings

Nation X #1"The Ghost of Asteroid-M, Road Trip, Cold Shoulder, Testament"

Feb 2010

No listings

Generation Hope #15

Mar 2012

No listings

Generation Hope #16

Apr 2012

No listings

Generation Hope #17

May 2012

No listings

New Warriors #1

Earliest catalogued appearance of Water Snake.

Apr 2014

No listings

New Warriors #2

Earliest catalogued appearance of Haechi.

May 2014

No listings

Marvel Masterworks: The Uncanny X-Men #12"Volume 12"

Feb 2020

No listings

X-Men Legends #11"Monsters"

Apr 2022

No listings

Wolverine #15"Alpha Flight"

Apr 2026

No listings

Wolverine #16"Cardiac Arrest"

Apr 2026

No listings

Wolverine #19

Jun 2026

No listings

The Infernal Hulk #7

Jul 2026

No listings