David Tennant is the latest actor to be rumoured for the role of the Incredible Hulk in Marvel's Avengers movie, reports the Los Angeles Times.The ex-Doctor Who star has been linked to the superhero role recently vacated by Edward Norton along with Predators actor Adrien Brody and Serenity's Nathan Fillion.Recent online rumours surfaced claiming that Joaqun Phoenix had been offered the role of Bru