Sir Ian McKellen and SirPatrickStewart will return for Days of Future Past, which will time travel between different eras, more than 13 years after first taking on the roles of mutant adversaries.
Now Sir Kenneth Branagh, he joins the ranks of fellow thespians such as Alec Guinness, PatrickStewart and Laurence Olivier, who he played in last year's My Week With Marilyn.