After having his face sliced off one year ago, The Joker makes his horrifying return in this new epic that stars Batman's network of crimefighting allies! While The Joker threatens the existence of Gotham City, these heroes-and villains-must find a way to survive in stories from BATMAN #17, CATWOMAN #13-14, BATGIRL #14-16, BATMAN AND ROBIN #15-17, NIGHTWING #15-16, DETECTIVE COMICS #16-17, RED HOOD AND THE OUTLAWS #15-16 and TEEN TITANS #15, plus pages from BATMAN #13, BATGIRL #13, NIGHTWING #14, RED HOOD AND THE OUTLAWS #13-14, SUICIDE SQUAD #14-15 and TEEN TITANS #14 and 16.