the Brainiac consciousness inside of her, is able to recreate Corben's essential self by downloading her memory of the man he was into what's left of the old Metal-0 suit, said facsimile of the now-deceased military sergeant a loyal echo of whom he once was, obedient to Lane's every whim. He would serve as her bodyguard while Dox's influence compelled her to cripple military defense systems around the world. He would immediately switched sides once Lois is freed from the Coluan's control, however, and aided her in combating the extraterrestrial threat to their world. As Superman and Lois departed to stop Brainiac, Metallo was left on Earth to defend Metropolis in their stead. After the crisis is resolved, Corben is later seen standing guard over Metropolis with Krypto, seemingly contented with his current position. In the wake of Superman's identity being outed to the world as the hero began losing his powers, many an investigation was undertaken into his identity, contacts and motives by collective interests. Seeing as her life was in more danger than ever before, Metallo stuck close to his love as she went and did some investigating of her own in the meantime. While Vandal Savage made his play for ultimate power, Lois and Metallo were close by on the scene where Superman kept his warship from crushing a small town. While aiding Superman, as Lois refused to leave his side during the battle with Savage's empowered progeny, John's bionic shell was badly damaged. Looking to make good with all the bad in his life, he willingly offered his kryptonite heart to Superman (the depowered hero having discovered a treatment for his loss of powers that essentially involved giving himself chemotherapy with kryptonite), knowing full well that he could not survive without it. DC Rebirth In DC Rebirth, Metallo is briefly a member of a new version of the Superman Revenge Squad, also consisting of General Zod, Mongul, the Cyborg Superman, the Eradicator, and Blanque. After Superman is temporarily blinded, they are defeated when Lex Luthor, Supergirl, Superwoman, Kong Kenan, and Steel come to Superman's aid and Zod betrays the rest of the team for his own ends. Roger Corben A second Metallo, John's brother Roger Corben, debuted in Superman #310 by Curt Swan and Martin Pasko. This Metallo was created by a secret organization named "SKULL" that transferred Roger's brain into a new robotic body so