Transformers 3 Movie Prequel: The Foundation #3

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?