Something is destroying the fifth dimension—and if an army of evil imps can obliterate all the joy and life from an entire reality, what chance do Superman and Batman stand against it? A multitude of DC guest stars—and their fifth-dimensional counterparts—join the World’s Finest duo in a last-ditch attempt to save Earth from the ultimate darkness!

The Dark Knight. The Man of Steel. They are the two finest superheroes that the world has ever known...and they’re together again in an epic new series from the legendary talents of Mark Waid and Dan Mora! In the not-too-distant past, Superman’s powers are super-charged from a devastating chemical attack by the villain Metallo...and the only ally that the ultra-powerful Man of Tomorrow can turn to in this turbulent hour is Gotham’s own dark vengeance: the Batman. A nearly fatal burst of power drives Bruce Wayne to his own extreme measures to help his friend...enlisting none other than the Doom Patrol for aid. It’s the world’s greatest superheroes from the world’s greatest comic book talent in an epic comic book experience that kicks off the next big events in the DCU. Get ready, it’s time to soar.

Think you know how Superman and Batman met and became friends? Think again! Read the untold tale of how their worlds first collided-and the stunning, secret loss that nearly destroyed their partnership before it even began!

Great Scott! It’s a twisted time-travel tale of titanic tenure! In an attempt to get to the bottom of the mystery of the “demon,” Robin the Boy Wonder and the Supergirl of Krypton venture back in time to China circa 1600 B.C.-running headfirst into the ancient superheroes known as the House of Ji! Meanwhile, Superman and Batman are losing a race against time to save their fellow superheroes from the schemes of a new villain…one simply known as the Devil Nezha.

The secret behind the Supergirl-Robin feud, revealed! On a day not too long ago, a meeting between the Boy Wonder and the Girl of Steel began sweetly, became awkward, and ended so catastrophically, horrifically, jaw-droppingly, car-crashingly disastrously that, among the Superman and Batman families, it is now enshrined as the world’s finest example of How Not to Team Up!

DARKNESS FALLS! Eclipso, master of light and shadow, has risen to plague the World's Finest team of Superman and Batman! Powered like never before, Eclipso threatens to plunge the Earth into a state of eternal night--and eternal despair!

“Return to Kingdom Come” concludes! With no way back to their own Earth, will Superman and Batman have to witness the tragic events that led to cataclysm-or are they fated to take the place of their doppelgangers?