Marvel: Ultimate Alliance 2 is a action role-playing game where players take on the roles of their favorite Marvel heroes, such as Spider-Man and the Hulk, to save the world from various supervillains. The story mode follows a branching narrative that allows players to choose which characters to team up with and how to approach each mission.
Gameplay in Marvel: Ultimate Alliance 2 revolves around completing missions and side quests while exploring the game's open-world environments. Players can switch between characters on the fly, using their unique abilities to overcome obstacles and defeat enemies. The game features a variety of combat modes, including melee, ranged, and special attacks.