Action Comics #1055

Superman’s true enemy has been revealed: the Cyborg Superman, Hank Henshaw! Everything the Super-Family has built stands on a knife’s edge, and Superman and Metallo become the unlikeliest of allies as they hunt for Metallo’s missing sister. Can they prevent the inevitable devolution of Metallo’s mind and body long enough to save his sister from Henshaw’s monstrous plans?

Characters: Cyborg Superman, Doombreaker, Eradicator, Jon Kent, Kelex, Krypto, Lois Lane, Mercy Graves, Metallo, Mister Terrific (Holt), Natasha Irons, Steel (John Henry Irons), Superboy (Kon-El), Superman