REIGN OF THE SUPER-BOYS CONTINUES! After the shocking events of DC K.O., Superman is missing. But one hero steps up to take his place...Superboy-Prime?! Prime is the ultimate DC Comics fan, hailing from the real world where super-heroes are characters on a comic page. Now he's got a real shot at showing the world he can be just as great a hero as Superman! Superstar artist Dan Mora returns to Superman for an action-packed adventure that changes the face of the DC Universe! Collects SUPERMAN #36-40.