The Incredible Hulk

Successfully complete the indicated task to unlock the corresponding character:

Abomination: Defeat Abomination.

Bi-Beast: Defeat Bi-Beast.

Grey Hulk: Smash 10,000 objects.

Hulkbuster Iron Man: Have a saved game file from Iron Man.

Ironclad: Defeat the U-Foes, trick a U-Foe into KOing his teammate, and defeat Abomination.

Maestro: Destroy a building in each neighborhood.

Professor Hulk (Smart Hulk): Successfully complete all jump challenges.

Savage Hulk: Collect five comic book covers.