Fantastic 4

Barge Arena and Stan Lee Interview #1
At the Main menu, enter: X, B, X, Down, Down, B, Up.
(Thanks to kdnana@hotmail.com)

Guard Granny Level
Find 31 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Infinite Cosmic Power
At the Main menu, enter: Up, X, X, X, Left, Right, B.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 2: Barge
Find 2 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 3: Underground Arena
Find 4 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 4: Tikal Arena
Find 7 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 5: Horus Arena
Find 20 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 6: Elevator Arena
Find 25 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Survival Killing Stage 7: SHIELD Arena
Find 28 F4 Secrets.
(Thanks to kdnana@hotmail.com)

Unlock Secret Bonus Level: Hell
At the Main menu, enter: Right, Right, X, B, Left, Up, Down.
(Thanks to kdnana@hotmail.com)