Supervillains Harley Quinn, Bloodsport, Peacemaker and a collection of nutty cons at Belle Reve prison join the super-secret, super-shady Task Force X as they are dropped off at the remote, enemy-infused island of Corto Maltese.

On an alternate Earth, the Joker tricks Superman into killing Lois Lane, which causes a rampage in the hero. Superman decides to take control of Earth, Batman and his allies will have to attempt to stop him.

The Joker is back with a vengeance, and Gotham's newest Dark Knight needs answers as he stands alone to face Gotham's most infamous Clown Prince of Crime.

When Mr. Freeze, desperate to save his dying wife, kidnaps Barbara Gordon (Batgirl) as an involuntary organ donor, Batman and Robin must find her before the operation can begin.