His character, Jack Burns, works for the mysterious Sector 7, which patrols the galaxies.
He’d be a very natural bridge between the Bumblebee world, and that of the G.I. Joe team.
Cena made the most sense to ask about this idea, as he holds down the military side of the equation in Bumblebee.
John Cena wouldn’t go so far as to confirm the notion that the Autobots will be fighting alongside the Joes on the big screen any time soon, but he for sure wants to see it, eventually.