Final Crisis Aftermath: Escape (2009-) #1

Nemesis awakens to find himself held captive by the World Peace Agency inside the walls of the mysterious Electric City. His fellow prisoners are all members of the superhuman intelligence community, and they're subjected to systematic torture in an attempt to siphon the secrets of the DC Universe heroes in order to destroy them. As Nemesis works to escape, he finds few people he can truly trust. But nothing could prepare him for the hideous truth behind his situation!