Marvel Super Heroes (1995):
Hulk, Wolverine, Spider-Man, Magneto (Sub Boss 1), Juggernaut, Iron Man, Psylocke, Captain America, Shuma-Gorath, Mr. Fantastic (Replaces Blackheart), Doctor Doom (Sub Boss 2), Thanos (Final Boss), Akuma/Gouki (Secret Character)
X-Men vs. Street Fighter & Marvel Super Heroes vs. Street Fighter (1996 (XMvSF), 1997 (MSHvSF)):
Added in XMvSF: Magneto, Juggernaut, Sabretooth, Storm, Gambit, Rogue, Wolverine, Cyclops, Dhalsim, M. Bison, Chun-Li, Zangief, Cammy, Charlie Nash, Ryu, Ken Masters, Akuma/Gouki (Secret Character) Added in MSHvSF: Sakura, Dan, Spider-Man, Captain America, Shuma-Gorath, Hulk, Mr. Fantastic, Doctor Doom, Omega Red
MSHvSF Secret Characters: Mech-Zangief, Dark Sakura, Cyber-Akuma (Sub Boss), Shadow Nash, Armored Spider-Man, U.S. Agent, Apocalypse (Final Boss)
Marvel vs. Capcom: Clash of Super Heroes (1998):
Ryu, Chun-Li, Zangief, Akuma/Gouki, Morrigan, Jill Valentine, Captain Commando, Mega Man X, Strider Hiryu, Jin Saotome, Princess Devilotte, Spider-Man, Venom, Captain America, Iron Man, Hulk, Thor, Storm, Gambit, Wolverine, Cyclops, Magneto
Secret Characters: Ken Masters (Same as MSHvSF), Mega Man (Clone of X), Shadow Lady (Clone of Chun-Li and Morrigan), Carnage (Clone of Venom), U.S. Agent (Clone of Captain America), War Machine (Clone of Iron Man), Onslaught (Final Boss)*
Marvel vs. Capcom 2: New Age of Heroes (2000):
Felicia, Mega Man X, Captain Commando, Nightcrawler, Shuma-Gorath, Thanos, Dan, Guile, Amingo, Wolverine, Cyclops, War Machine, Ken Masters, B.B. Hood/Bulleta, Ryu, SonSon III, Thor, Psylocke, Silver Samurai, Sabretooth, Charlie Nash, Akuma/Gouki, Zangief, Ruby Heart, Cable, Iceman (X-men), Gambit, Mr. Fantastic, Dhalsim, Jin Saotome, Leon Scott Kennedy, Hayato, Captain America, Spider-Man, Juggernaut, Thor, M. Bison, Morrigan, Sakura, Tron Bonne, Doctor Doom, Venom, Magneto, Colossus, Cammy, Strider Hiryu, Jill Valentine, Rogue, Hulk, Iron Man, Princess Devilotte, Mega Man, Chun-Li, Omega Red, Storm, Sentinel, Abyss (Final Boss)*
*= Both final boss's of MvC1 & MvC2 are non-playable
(Ultimate) Marvel vs. Capcom 3 (2011):
Added in MvC3: Jill Valentine (DLC), Albert Wesker, Chris Redfield, Morrigan, Felicia, Hsien-Ko, Mega Man X, Zero, Tron Bonne, Arthur, Mike Haggar, Ryu, Chun-Li, Akuma/Gouki, Crimson Viper, Dante, Trish, Amaterasu, Viewtiful Joe, Doctor Doom, Super-Skrull, Captain America, Iron Man, Thor, Hulk. She-Hulk, Wolverine, Magneto, Storm, Sentinel, Nightcrawler, Spider-Man, Deadpool, X-23, M.O.D.O.K (Mental Organism Designed Only for Killing), Taskmaster, Dormammu, Shuma-Gorath (DLC), Galactus (Final Boss) Added in UMvC3: Leon Scott Kennedy, Firebrand, Strider Hiryu, Frank West, Phoenix Wright, Vergil, Nova, Iron Fist, Ghost Rider, Rocket Raccoon, Hawkeye, Doctor Strange