Issue: #1
Dr. Harleen Quinzel has discovered a revolutionary cure for the madness of Gotham City-she just needs to prove it actually works. But with the criminal justice and mental health establishments united against her, the brilliant young psychologist must take drastic measures to save Gotham from itself. Witness Harleen’s first steps on a doomed quest that will give birth to the legendary super-villain...
Creators: Andy Khouri, Maggie Howell, Gabriela Downie, Stjepan Šejić
Characters: Batman, Killer Croc, Killer Croc, Poison Ivy, Joker, Riddler, Lucius Fox, Mad Hatter, Two-Face, Mr. Zsasz, Harley Quinn, Hugo Strange