THE REIGN OF THE SUPERBOYS BEGINS! After the shocking events of DC K.O., Superman is missing. But one hero steps up to take his place...Superboy Prime?! Normally, Prime has only been part of massive DC events, but now he gets 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 and fun adventure that changes the face of the DC Universe!