Rumor: G.I. Joe/Transformers Crossover Dan Koelsch, June 7, 2009July 10, 2010 Could Hasbro be going the way of Marvel? Matt found this tidbit of trivia on IMDB.com: SPOILER: Tyrese Gibson confirmed that his character Sergeant Epps would make contact with Hawk from G.I. Joe: The Rise of Cobra(2009). Both Transformers and G.I. Joe are Hasbro toylines, and have crossed over in the past:…