The Incredible Hulk

Unlockable characters:
Complete the following task to unlock the indicated character.

Classic Hulk (Savage Hulk):
Pick up 5 comic book covers.

Professor Hulk (Smart Hulk):
Finish all jump challenges.

Maestro:
Destroy a building in each neighborhood.

Grey Hulk:
Smash 10,000 objects.

Abomination:
Beat Abomination.

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

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

Green Scar (Planet Hulk):
Complete the game.

Jump Challenge locations:
1. World Financial Center
2. Behind the Woolworth Building
3. 20 Exchange Place
4. Third building south of The Flat Iron Building
5. Beside the Empire State Building (fall into it)
6. Madison Square Garden
7. U.S. Trust Building
8. The building north of the Reuters Building. It has a star-shaped top.
9. South of Time Square, near Jump Challenge #8, slightly further south between
a skyscraper and a smaller building, down low.
10. Swiss Bank Tower
11. Citigroup Center
12. Carnegie Hall
13. Time Warner Center
14. Southeast of the Empire State University Subway
15. North central area of Central Park