DC Super Villains: Lex Luthor and the Kryptonite Caverns

Deep below a Southwest desert, Lex Luthor constructs a top-secret device to destroy his top enemy, Superman. Unfortunately, radiation from the kryptonite-powered weapon has leaked into the surrounding soil and turned arid animals into mutants! To stop a fearsome fallout, the Man of Steel must travel into the kryptonite caverns, face his enemy, and come out alive!