to use the Space Bridge to bring Cybertron to Earth. He intends to enslave humanity to rebuild their home planet. The Battle of Chicago
The Decepticons invade Chicago, turning it into a war zone and setting up the Space Bridge pillars. The Autobots, who were seemingly exiled and killed when their ship was destroyed, reveal they actually stayed behind to launch a surprise counter-attack. A massive battle ensues: Robert Epps transformers 3 dark of the moon filmyzilla