World's Finest Comics - Facsimile Edition #195

Plot

BATMAN: CRIMINAL! When Superman helps Batman take the place of a mafia kingpin to get the dirt on a vast criminal enterprise, a bizarre series of events leads to Batman losing his identity--and believing himself to really be the criminal capo! With Superman forced to play along as the Bat-boss's right-hand man, can he get the goods before Batman carries out his first order of business: the murders of Robin and Jimmy Olsen?