Episode Title:The Lizard.Episode Description:Spider-Man's team investigate Doctor Octopus' newest hideout, and confiscate a case containing several vials of formula made from DNA of different animals. S.H.I.E.L.D. scientist Curt Connors (whose left arm had to be amputated after the Helicarrier crashed) injects himself with formula containing lizard DNA. While it successfully restores his arm, it eventually turns him into an irrational reptilian mutant called the Lizard.