He unleashed the Dark Multiverse in the epic series Dark Nights: Metal. Now superstar writer Scott Snyder reunites with acclaimed artist Jock (Batman: Black Mirror) to set that evil alternate reality's deadliest denizen loose in Gotham City—and the original Dark Knight will never be the same! Half Batman. Half Joker. Combining everything that makes the Caped Crusader a hero and the Clown Prince a killer, the Batman Who Laughs is the Dark Multiverse's deadliest criminal mastermind. Now he's come to Gotham to turn Bruce Wayne's home into an incubator for evil. And he hasn't come alone. Emerging from another of the Dark Multiverse's myriad realities comes the Grim Knight. This vicious vigilante will use any weapon at his disposal to ensure those he has marked for death stay down. A war like no other—a war of the Batmen—has begun. As Batman's closest friends, deadliest enemies, and doppelgangers from across the Multiverse get caught in the crossfire, only one question remains: Who will have the last laugh? Discover the answer in The Batman Who Laughs—a terrifying reimagining of one of comics' greatest heroes—and villains—from the premier Batman writer of our time!

Collects the full seven-issue miniseries and the one-shot special issue The Batman Who Laughs: The Grim Knight.