TRANSFORMERS 3 MOVIE PREQUEL FOUNDATION (2010)

"On war-ravaged Cybertron, OPTIMUS PRIME finally finds himself face-to-face with MEGATRON... but if Prime carries through his plan, will he have crossed the line? Secrets are revealed as we make our last stop on the road to TRANSFORMERS: DARK OF THE MOON!"

"Optimus Prime has reached his goal: the gates of Megatron's citadel. Prime has one thing in mind and he won't let Shockwave or Starscream slow him down-tonight, Megatron must die! Secrets are revealed and lines are crossed as the countdown to Transformers 3 ramps up. How far will Prime go to stop the Decepticons?"