"The largest army of super heroes is back...and being torn apart! Forces collide as super heroes take sides having to register with the government"--Container insert.

Title from disc label. At head of title: Marvel. 1-4 players (co-op 2-4) ; online multiplayer 2-4 (co-op 2-4). Other features supported: game-content download, voice, in-game Dolby digital, family settings. "Xbox Live"--Container.