Transformers Exodus gives off the entire detailed backstory of Transformers Prime, including some G1 characters in it.
You see the growing character development on Megatron, Optimus, and even Sentenial Prime... (rip) and how everything clicks into place with Transformers lore.
________________________________________________________________
Edited by -LittleAutobot1218-, 11 June 2020 - 11:28 AM.