It's the first meeting of Supergirl and Red Hood, Steel and Supergirl and more as the competing Batman and Superman families must battle for the control of the missing Mongul's fortress.

Abducted by a group of mysterious aliens, Superman is dragged to a remote galaxy to take part in the Games, a world-hopping game of cat-and-mouse where players are hunted for sport.

Superman and Batman have defeated the menace that was targeting the Man of Steel for months, but not before he set something deadly in motion--their greatest foes have been given the means to kill Clark Kent. And for Clark, time is running out.

On a dark and stormy night in the fifth dimension, two mortal foes meet to settle an age-old question once and for all: In a fight between Batman and Superman, who would win? The combatants? Mr. Mxyzptlk and Bat-Mite. And in this battle for the ages, you will find out if a fifth-dimensional imp can bleed. It’s all in this, the ultimate slugfest between the Dark Knight and the Man of Steel-plus a whole lot of magic!

In one of their first adventures together, Earth 2's Supergirl and Robin team up to face their world's Wonder Woman.

The Dark Knight and the Man of Steel are close friends in the modern day-but the two weren't always such close allies. Discover how two of the World's Finest Super Heroes met for the first time in the New 52, and the mysterious adventure that takes them to a whole new world-the world of Earth-2! The heroes of the main DC Universe meet their Earth-2 counterparts for the first time!Collects BATMAN #1-4 and JUSTICE LEAGUE #23.1: DARKSEID.