Easy "Zoo Believer" trophy
Unlock and purchase the following characters: Ant-Man, Beast , Beetle, Black Cat, Black Panther, Black Widow, Doctor Octopus, Doctor Octopus Ultimate, Howard The Duck, Phoenix, Rhino, Rocket Raccoon, Sabretooth, Spider-Man, Spider-Man F.F., Spider Woman, Squirrel Girl, Toad, Viper, Vulture, Wasp, Wolverine, and Wolverine (Cowl).
More Cheats, Achievements
