3-D Man
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A-Bomb (HAS)
Rick Jones has been Hulk's best bud since day one,...
A.I.M.
AIM is a terrorist organization bent on destroying...
Aaron Stack
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Abomination (Emil Blonsky)
Formerly known as Emil Blonsky, a spy of Soviet Yu...
Abomination (Ultimate)
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Absorbing Man
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Abyss
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Abyss (Age of Apocalypse)
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Adam Destine
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Adam Warlock
Adam Warlock is an artificially created human who ...
Aegis (Trey Rollins)
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Aero (Aero)
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Agatha Harkness
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Agent Brand
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Agent X (Nijo)
Originally a partner of the mind-altering assassin...
Agent Zero
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Agents of Atlas
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Aginar
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Air-Walker (Gabriel Lan)
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Ajak
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Ajaxis
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Akemi
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Alain
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Albert Cleary
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Albion
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Alex Power
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Alex Wilder
Despite being the only one of the Runaways without...
Alexa Mendez
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Alexander Pierce
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Alice
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Alicia Masters
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Alpha Flight
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Alpha Flight (Ultimate)
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Alvin Maker
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Amadeus Cho
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Amanda Sefton
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Amazoness
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American Eagle (Jason Strongbow)
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Amiko
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Amora
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Amphibian (Earth-712)
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Amun
Amun is a ruthless teenage assassin, employed by t...
Ancient One
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Ancient One (Ultimate)
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Angel (Angel Salvadore)
Driven out of home by her abusive step-father, fou...
Angel (Thomas Halloway)
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Angel (Ultimate)
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Angel (Warren Worthington III)
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Angela (Aldrif Odinsdottir)
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Anita Blake
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Anne Marie Hoag
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Annihilus
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Anole
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Ant-Man (Eric O'Grady)
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Ant-Man (Hank Pym)
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Ant-Man (Scott Lang)
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Anthem
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Apocalypse
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Apocalypse (Ultimate)
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Aqueduct
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Arachne
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Araña
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Arcade
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Arcana
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Archangel
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Arclight
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Ares
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Argent
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Armadillo
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Armor (Hisako Ichiki)
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Armory
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Arnim Zola
The frail, dwarfish Arnim Zola was born in 1930s S...
Arsenic
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Artiee
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Asgardian
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Askew-Tronics
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Asylum
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Atlas (Team)
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Attuma
Attuma was born into the tribe of Homo mermanus wh...
Aurora
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Avalanche
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Avengers
Earth's Mightiest Heroes joined forces to take on ...
Avengers (Ultimate)
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Azazel (Mutant)
A mutant from biblical times, Azazel is the ruler ...
Balder
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Banshee
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Banshee (Theresa Rourke)
The daughter of former X-Men member Sean Cassidy, ...
Baron Mordo (Karl Mordo)
Born in 1921, Karl Mordo was the son of Nikolai Mo...
Baron Strucker
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Baron Zemo (Heinrich Zemo)
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Baron Zemo (Helmut Zemo)
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Baroness S'Bak
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Barracuda
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Bart Rozum
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Bastion
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Batroc the Leaper
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Battering Ram
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Battlestar
Lamar Hoskins was once a wrestler who was given su...
Beak
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