Fan Casting G.I Joe VS. The Transformers: Age of Destruction

It has been two years since G.I Joe has defeated the ruthless terrorist organization of Cobra, led by the villainous Cobra Commander and his forces as the Joes have been laying dormant, waiting for another world ending crisis... but, when Cobra returns and enslaves alien robots who come from the planet Cybertron, it is up to both G.I Joe and a couple of remaining Autobots to stop both Cobra and the Decepticons before their ultimate weapon activates and begins the end of the world as we know it...