Batman and Superman versus machines! A.I. villains and heroes — G.I. Robot, Red Tornado, and Chemo among them — have launched a global cyberattack alongside NewMazo's soldiers. Batman, Superman, Robin, and Metamorpho, the Element Man, are unprepared for the onslaught. With millions of lives on the line, the World's Finest team must find a way to pull the plug before it's too late!