1. Extract the game dat files using this tutorial https://www.youtube.com/watch?v=_EQ3hPrh0V8

2. Delete CHARSTXT.FPK

3. Place SUPERHEROES1_BUILDER.APJ into the Chars Folder

4. Place the Cyborg, General Zod, Green Lantern, Martian Manhunter and Brainiac folders inside the MINIFIGS folder

5. Launch the Game