This long-awaited origin story of how the most iconic characters in the TRANSFORMERS universe, Orion Pax and D-16, went from brothers-in-arms to become sworn enemies, Optimus Prime and Megatron, premiered its trailer on Thursday, April 18th.

TRANSFORMERS ONE is the untold origin story of Optimus Prime and Megatron, better known as sworn enemies, but once were friends bonded like brothers who changed the fate of Cybertron forever. In the first-ever fully CG-animated Transformers movie