A new vigilante killer arises, targeting old, retired super-villains for extermination, with an alarming success rate! Meanwhile, a new super-villain begins humiliating members of the Justice Society of America, one by one! Can the JSA discover the truth about the Sunset Killer and stop the crime spree of Black Nemesis before their reputation is completely ruined? Guest starring Infinity Inc!
Batman, Wonder Woman, and Aquaman have each encountered city-states that survived the ancient sinking of Atlantis, with survivors that include both air-breathers and water-breathers. But now an unknown foe seeks to take over all the water worlds through war! Can the assembled heroes bring peace to the cities of Atlantis when a legion of crafty foes want their deaths? And is a nomadic Aquaman ready to become king of all Atlantis? Guest starring Johnny Thunder, and introducing Imperius of New Rome!