From :

Michael Bay is returning to produce the sequel alongside his Platinum Dune partners Brad Fuller and Andrew Form, who recently revealed via our partners at Omelete that a couple of fan favorites are poised to appear in the follow-up. Per Form:

“We can say that Bebop and Rocksteady are in the film, and Casey Jones is a character that we love and we’re trying to fit him in as well”

Read the Full Story