Transformers: Exodus within the "Prime" universe, showing how they came to be the leaders of their respective factions. The book also delves more heavily into the mythology of other well-known aspects of the Transformers characters and locations, such as Alpha Trion and The Fallen, whose original name is revealed in this story for the first time as Megatronus. The story is set on Cybertron, the home planet of the Transformers. It has been several centuries since Cybertron's golden age of space exploration and planetary colonisation, and its society has declined into stagnation. Almost every Space Bridge has gone offline due to years
The Transformers: Hearts of Steel staunch ally of Muldoon after the Decepticons betray him. Only four Autobots were mentioned by name in the series: Bumblebee, Ironhide (in the TPB when he gives his name it was changed to Sideswipe) and Optimus Prime although he did not appear, though others are recognizable as G1 Generation 1 characters, introduced as toys in 1984. The opposite is true for the Decepticons, with many being named. Others are left unnamed but are recognizable such as Ravage. In addition to their original alternate modes as fantasy beasts, the Transformers later adopt alternate modes appropriate to the era in which they