The Autobot is the white version of Optimus' vehicle mode in the cartoons, comics and toy lines and Ultra Magnus was even named the leader of the Autobots in the animated Transformers The Movie. The logical first choice is Optimus Prime's 'brother' Ultra Magnus. This time it looks like it could be three possible Transformers characters.
Transformers 4 director Michael Bay has revealed another vehicle mode for the fourth movie in his alien robot franchise.
