The fight of the century is on! In one corner, Justice Society of America member Wildcat, the greatest bare-knuckle scrapper on the planet. In the other corner, the Dark Knight himself, Batman! Who will win when two of the greatest fighters go toe to toe? It'll take more than muscle if these two heroes want to try and shut down a secret superhuman fighting ring that's killing their combatants...and that's if they don't kill each other first!