James McAvoy says he interested in the idea that Charles Xavier has to face a physical battle.
McAvoy is set to reprise the role of Charles Xavier in X-Men: Days of Future Past - his second outing in his role.
This time around McAvoy is in a wheelchair, and got the chance to explore the physical limitations of the character.
Speaking to Den of Geek, the actor said: "One of the things I always liked about the X-Men universe is that one of the main protagonists is severely physically disabled.
"And that's great, because heroes are generally all messed up, but they're messed up emotionally - they've got demons to fight and all that stuff, but they're still A1, good-looking muscly dudes.
"So to have someone who's fighting a physical battle, and who has fought a physical battle in their past - that was quite interesting to me.
"With my time playing the character, you don't just get to see somebody who's dealt with that in their life, you get to see them dealing with it in the here and now.
"It's not just an obstacle he had in his life, it's an obstacle he's having to deal with right now. I think that's refreshing."
Days of Future Past is the sequel to X-Men: First Class, and sees Bryan Singer in the director's chair.
The film will see McAvoy reunite with Michael Fassbender, Jennifer Lawrence and Nicholas Hoult. Patrick Stewart, Ian McKellan and Hugh Jackman were also on board.
X-Men: Days of Future Past is released 22nd May.
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