Transformers: The Headmasters bot Headmasters, led by Cerebros return to their home planet to aid in its defense. The situation soon gets worse when it is revealed that Vector Sigma, the super-computer at the planet's heart, was destabilizing, and Optimus Prime again sacrifices his life to save Cybertron. This soon proves to be only delaying the inevitable, however, when a bomb attack instigated by Scorponok turns Cybertron into a burnt-out, inhospitable husk. Rodimus Prime departs to search for a new planet for the Transformers to live on, leaving Cerebros in command, operating from the planet Athenia. Meanwhile, Scorponok replaces Galvatron - who had
Transformers: Revenge of the Fallen (toy line) Transformers: Revenge of the Fallen (toy line) Pictures of the first "Revenge of the Fallen" toys started to appear in on the internet in late 2008. Hasbro files for a trademark on the name "Revenge of the Fallen" as a toy line in May 2008. The toy line continued on mid-2010 simply as "Transformers" (also known as "Hunt for the Decepticons"). MechAlive is a feature available on selected Deluxe, Voyager and Leader Class figures, as well as Combiner Class Constructicon Devastator. Characteristics of this feature include visible moving gears in the character's body and parts that move independently during transformation