The epic clash of former friends Optimus Prime and Megatron is part of the final trailer for Transformers One.
But in the newly released final trailer for the film, all bets are off.
And the first battle between the longtime rivals is about to begin.
Transformers One is set millions of years before the Autobots and Decepticons brought their conflict to Earth.
These are gonna go FAST.
While supplies last at participating theatres on September 20.
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