Unlock the following characters by performing the corresponding tasks:
Abomination - Defeat the abomination. Bi-Beast - Defeat bi-beast. Gray Hulk - Smash 10,000 things. Ironclad - Defeat the u-foes, trick a u-foes member into defeating a teammate, and defeat the abomination. Maestro - Destroy a building in each new york city neighborhood. Professor Hulk(Smart Hulk) - Complete all jump challenges. Red Hulk - After completing the game, defeat an army strike team. Savage Hulk - Find 5 comic book covers.