With the power of Superboy now under her control, Task Force X mastermind Amanda Waller sends the hero into Arkham Asylum to rescue Peacemaker and bring Talon-the famed Court of Owls assassin-back to join the new Suicide Squad. With lives hanging in the balance, the teen clone must decide if he's going to assist Waller, even if it means getting his hands a little bloody along the way.