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/Superman #1-4 and Justice League #23.1.

The Dark Knight and the Man of Steel uncover a plot by the Toymaster to use a secret, potentially deadly element in his new video game, the characters created by players manifest in real life. The ultimate fighting game results—and a world-wide network of players must team up to create the most powerful, skilled Super Heroes imaginable with one To kill Batman.When Batman and Superman are corned by the Toymaster and Mongul, they are pitted against on another in a battle to the death, with their only hope being the The Worlds' Finest. Batman/Superman #5-9, Annual #1, Worlds' Finest #20-21.

It’s the Man of Steel’s worst nightmare: an obsessed villain who not only knows all of Superman’s secrets, but is also willing to kill anyone who has ever stood by him in order to destroy his true target. …It’s Superman’s Joker. It falls to Batman to track down this murderous madman, but with no clues left behind and no leads to follow, will this killer outwit the World’s Greatest Detective? Writer Greg Pak (ACTION COMICS) and artist Ardian Syaf (BATGIRL) add a deadly new name to Superman’s Rogues Gallery…one that will test Superman’s strength and Batman’s mind equally! Collects: Batman/Superman #16-20, Annual #1 and Futures End #1.