The Incredible Hulk

Unlockable: Characters

To unlock the characters listed below, complete the requirement listed.
Abomination - Defeat Abombination
Classic Hulk - Find any give comic covers
Gray Hulk - Smash 7,500 things
Ironclad - Defeat all of the U-Foes, tricking one of them to take down another one of them. Then, kill Abomination.
Maestro - Destroy a building in each neighborhood
The Professor - Successfully complete all fifteen Jump Challenges