In this Elseworlds tale, by day Bruce Wayne runs the prestigious Arkham Asylum, treating patients with compassion and thoroughness. By night, he defends the streets of Gotham and apprehends the very criminals that become patients in his hospital. But when the Joker makes his move against the good doctor, everything changes.

Trapped in the Dark Multiverse, batman must face his greatest fears!

It's the Joker's world…we just die in it! It's another typical day in Gotham City. Superman, the world's most dangerous criminal, has burst free of his cell in Arkham Asylum. The only one who can track him down is the world's greatest hero, Bizarro. Their epic battle destroys property owned by the bald but brilliant billionaire Lois Lane…wait-what?! If Superman isn't crazy, that means the whole world has gone insane, and only one man can be responsible. Somehow Batman's greatest nemesis, the Joker, has received the power to reshape reality to his own mad whims. The world now is defined by chaos and death, and there is absolutely nothing anyone can do about it. It's impossible to defeat a god. Unfortunately, someone forgot to tell Superman. Armed with nothing more than his will, the Man of Steel will put an end to the reign of Emperor Joker…or die trying. Join Jeph Loeb (SUPERMAN/BATMAN), Joe Kelly (JLA), Ed McGuinness (SUPERMAN/BATMAN), Doug Mahnke (SUPERMAN/WONDER WOMAN), and others in a twisted world under the rule of Emperor Joker. Collects SUPERMAN #160-161, ADVENTURES OF SUPERMAN #582-583, SUPERMAN: MAN OF STEEL #104-105, ACTION COMICS #769-770 and EMPEROR JOKER #1!

A new criminal in town breaks one of the Gotham Rogues out of prison looking for a truly masterful criminal. And when the Joker is passed up, he doesn't take the gag lightly!

What do Batman's villains do on the craziest night in Gotham City? And who will survive when the madness of Arkham Manor spills into the streets?

Featuring a septuplet of scary tales featuring the various villains of Gotham City! Delight in individual stories by different writers and artists focusing on The Joker, Riddler, Calendar Man, Killer Croc, Scarecrow, Humpty Dumpty, and Two-Face!

Batman has spent the early days of his career taking down the criminals and street thugs that plague Gotham City. But now a new threat arises he may not be prepared for as Hugo Strange begins experiments to create something more dangerous than normal villains—something more super.

The Joker makes his grand return, but this time to the Batman Beyond universe! Adapted from the animated film, Batman, Bruce Wayne and their allies must unravel the mysterious return of the Dark Knight's eternal foe.

An Elseworlds tale! In the year 2083, the legend of the Batman sparks a strange and deadly religion based on the Dark Knight. As the annual death race between the religion's leader and a group of sacrificial "lambs" surgically altered to resemble Batman's greatest foes approaches, one would-be Joker tries to break the cycle and become the true inheritor of the heroic mantle of the Bat.

When the Joker and Lex Luthor team up and trade cities, the Man and Steel and the Dark Knight Detective must follow suit—with Superman heading into Gotham City and Batman becoming the defender of Metropolis!