This is the offcial design of Optimus Prime ancestor, Sentinel Prime! In the official Tranformers 3 movie trailer, he is one of the Autobots inside the Ark that appeared at the last scene. The below images are the Hasbro Transformers Movie 3 Dark Of The Moon Leader Class Sentinel Prime, after he change into earth form, which looks like a advance firetruck.
New Transformers 3 Trailer 2011 update for the Transformes Movie! The latest teaser came out at the Super Bowl advertisement time slot, featuring massive attacks by the Decepticons on earth. You get to see huge mother ship and some gigantic robot snake raiding a city. Optimus Prime apparently attached with flying unit slaying and kicking ass in the teaser. Watch the new Transformers 3 Trailer 2011 now!