3-D Man

A-Bomb

HAS

A.I.M.

Aaron Stack

Abomination

Emil Blonsky

Abomination

Ultimate

Absorbing Man

Abyss

Abyss

Age of Apocalypse

Adam Destine

Adam Warlock

Aegis

Trey Rollins

Aero

Aero

Agatha Harkness

Agent Brand

Agent X

Nijo

Agent Zero

Agents of Atlas

Aginar

Air-Walker

Gabriel Lan

Ajak

Ajaxis

Akemi

Alain

Albert Cleary

Albion

Alex Power

Alex Wilder

Alexa Mendez

Alexander Pierce

Alice

Alicia Masters

Alpha Flight

Alpha Flight

Ultimate

Alvin Maker

Amadeus Cho