Acclaimed writer Mark Waid returns to the world of Kingdom Come alongside artist Dan Mora in an epic adventure uniting two DC universes! Superman s former protege, Boy Thunder, is in danger and the only way to rescue him is to bridge the World s Finest universe with one that includes a jaded Superman, a broken Batman, and a war-hungry Wonder Woman .this is the world of Kingdom Come. Up against the villainous Magog, the World s Finest team find themselves trapped in a world on it s way to an apocalyptic future. Will those who once were friends become foes and what will it take to save both universes? Collects Batman/Superman: World's Finest #20-24.