He unleashed the Dark Multiverse in the epic series Dark Nights: Metal. Now superstar writer Scott Snyder reunites with acclaimed artist Jock to set that evil alternate reality's deadliest denizen loose in Gotham City. 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.