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?

Dig Now, Die Later! (Superman and Batman / written by Bob Haney) Are Robin and Jimmy digging their own graves? The Riddle of the Super-Zoo! (Editors' Round Table choice starring Congo Bill and Janu / written by Jack Miller : reprinted from: Action Comics #247) Congo Bill vs. Jungle Joe.