Four million years ago on Cybertron, Bumblebee was part of the Autobot army, stationed out of the city-state of Iacon. The war effort was marked by dwindling energy resources on both sides, and the Autobots routinely sent out patrols to search for untapped sources of energy. On one such mission, Bumblebee and Wheeljack managed to scrounge up some energy conductors, but not even enough to last a quartrex. Bumblebee's sunny disposition kept Wheeljack from getting too maudlin about their long-term survival, and the duo began rolling back to Iacon. They were interrupted by a group of Seekers and got into a firefight that turned literal when one Decepticon fired a ring of flame around their position. Wheeljack managed to blow a path through the opposition, but Bumblebee caught some stray fire i