Hasbro and Machinma have announced that Mark Hamill (Star Wars: The Last Jedi) and Ron Perlman (Hellboy) have joined the cast of the Transformers: Prime Wars Trilogy animated series.Hamill made his debut as Megatronus in the season finale of Transformers: Titans Return. One of the Thirteen Original Primes, Megatronus was exiled from Cybertron after murdering one […]