Sif (voice)
Ms. Marvel / Namorita / Hussar (voice)
Tiger Shark / Scorpion / Starbolt (voice)
Thor / Daredevil / Weasel / Heimdall (voice)
Silver Surfer (voice)
Dr. Doom (voice)
Winter Soldier / Dark Colossus (voice)
Invisible Woman (voice)
Gladiator / Balder / Wrecker / Wyatt Wingfoot (voice)
Mister Fantastic (voice)
Blackheart / Titannus (voice)
Storm (voice)
Nightcrawler (voice)
Mephisto / Thunderball / Ulik / Warlord Krang (voice)
Elektra / Enchantress (voice)
Attuma / Galactus / Thing (voice)
Luke Cage / Super-Skrull / Gorgon (voice) (as Gregg Eagles)
Iceman / Bulldozer / Lizard / Mysterio (voice) (as Josh Taylor/James Arnold Taylor)
Doctor Strange / Ultron / Byrrah (voice)
Fin Fang Foom / Ancient One / Mandarin / Neutron / Radioactive Man (voice)
Hank Pym (voice)
Iron Man / Warstar (voice)
Deadpool (voice)
Human Torch / Hermod (voice)
Blade / Paibok (voice)
Crystal / Dark Psylocke (voice)
Loki (voice)
Ronin / Clea / Lilandra Neramani (voice)
M.O.D.O.K. / Piledriver / Shocker (voice)
Wong (voice)
Medusa (voice)
Black Widow / Deathbird / Valkyrie / Volla (voice) (as Nikka Futterman)
Ghost Rider / Hawkeye / Colossus / Moon Knight (voice)
Ymir (voice)
Executioner / Sabretooth / Hulk / Bullseye / Rhino (voice)
Odin / Namor the Sub-Mariner / Senator Robert Kelly (voice)
Black Panther / Uatu (voice) (as Phil Lamarr)
Baron Mordo / Edwin Jarvis (voice)
Spider-Man / Arcade (voice)
Dark Cyclops / Dr. Bruce Banner / Crimson Dynamo (voice)
Vision / Captain Marvel (voice)
Nick Fury / Corsair / Dum Dum Dugan / Cyclops / Announcer / Dark Cyclops (voice)
Spider-Woman (voice) (as Tasia Vallenza)
Professor Charles Xavier / Grey Gargoyle / Kurse / Triton (voice)
Captain America / Tyr (voice)
Wolverine / Venom (voice)
Namor the Sub-Mariner (voice) (as Joe J. Thomas)
Jean Grey (voice)
Voice Director (voice)
Additional Voices (voice)
Magneto (voice) (as Richard Greene)
Dr. Bruce Banner (voice)