Here are some cheats and tips for the game Spider-Man: Friend or Foe.
5,000 upgrade points:
Press Up(2), Down(2), Left, Right while standing on the Helicarrier.
New Goblin:
Press Left, Down, Right(2), Down, Left while standing on the Helicarrier.
Sandman:
Press Right(3), Up, Down, Left while standing on the Helicarrier.
Venom:
Press Left(2), Right, Up, Down(2) while standing on the Helicarrier.