Inhumans [Crystal; Gorgon; Karnak; Medusa];
Cosmo; Nova [Richard Rider]; Ko-Rel [Worldmind]; Quasar [Wendell Vaughn]; Majestor Kallark [Gladiator]; King Blastaar; Ronan the Accuser;
Thanos (villain); Adam Magus (villain); Lord Mar-Vell (Cthulhu-verse, villain); Dark Quasar [Wendell Vaughn] (Cthulhu-verse, villain); Universal Church of Truth (villains);
Adam Warlock (flashback, cameo); Captain America [Steve Rogers] (flashback, cameo); Captain Marvel [Mar-Vell] (flashback, cameo); Dr. Strange [Stephen Strange] (flashback, cameo); Hulk [Bruce Banner] (flashback, cameo); Iron Man [Tony Stark] (flashback, cameo); Silver Surfer [Norin Radd] (flashback, cameo); Spider-Man [Peter Parker] (flashback, cameo); Starfox [Eros] (flashback, cameo); Dr. Doom [Victor Von Doom] (flashback, cameo, villain); Galactus (flashback, cameo, villain)