Go to the options screen and select Jukebox and play tunes 1, 3, 5, 6, 3, 9, 6, 4, 9, 5 and press Start. Then play the game and pause it. Now press A, C, B, B, A, C, C, A, B, A, L, R, R, A, B, B, C, L, U, D, A then unpause and you will transform into the superhero guy. Note you must do this code EXTREMLY FAST or it will not work.
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