Kaine

Kaine is a fictional character, a Marvel Comics supervillain and antihero who serves as both an ally and an enemy of Spider-Man. He first appeared in Web of Spider-Man #119, and is the Jackal's first failed attempt at cloning Peter Parker. The character was created by Terry Kavanagh and Steven Butler. Kaine is the Jackal's first temporary success at cloning Peter Parker but, due to the flawed cloning process is left deformed and mentally unstable. Kaine is later identified by the Jackal as "Parker 3.0"; the implications of this are unknown. The Jackal discards Kaine because the clone starts showing early signs of the degeneration process, and Kaine experiences a strong feeling of rejection similar to that between a father and son. Kaine...