Shortly afterwards, Batman encounters Vandal Savage and both are captured and taken to a tribe of cave dwellers, which Wonder Woman is revealed to be in charge of. While the Flash stays behind to power the machine and keep it in the time period that it is in, as the machine is powered by the Flash running on it, Batman goes to rescue Wonder Woman. After the two leave, Brainiac begins attacking the planet Cyborg then calls in Supergirl to help him defend the city.īatman and the Flash first travel to the Stone Age, where Wonder Woman has been placed. Batman and the Flash then construct a time machine called the Cosmic Treadmill, allowing the two to travel throughout time and rescue their teammates. Brainiac then formulates a new plan to obtain Earth, which he puts into action shortly thereafter: when the Justice League members Wonder Woman, Green Lantern, and Superman attempt to stop him again, he sends each of them to a different time period.
However, when he arrives, the Justice League easily drives him away from the planet. The cyborg alien Brainiac goes to Earth, intending to shrink it and add it to his collection of miniature planets.
