"You really think Holden Caulfield is a hero? That's interesting," Scarlett Johansson is arguing with Chris Evans over whether Marvel Comics' Sentinel of Liberty really does have anything in common with US literature's most famous disaffected teenager. But having now played Steve Rogers, first in 2011's Captain America: The First
Captain America: Holding out for a hero
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Chris Evans, left, and Scarlett Johansson in Captain America: The Winter Soldier.
I don't know but we wouldn't be able to identify the villain if we didn't also have the hero."
With his brown hair and bushy beard, Evans makes for a more laid-back figure than the blond-haired, blue-eyed super-soldier he portrays on screen. But despite his enhanced strength and extraordinary ability to galvanise those around him, he insists that deep down Steve Rogers is just another regular guy.
"I look at it as just playing a character; it just so happens that he has superpowers," he says. "As an actor, you don't think 'I'm going to do a movie about a poet and then I'm going to go play Captain America'. They're all just characters, you're still playing a person and it's still the same muscle that you're flexing when you're acting."
Taking inspiration from 70s political thrillers like Three Days of the Condor, The Winter Soldier pits Cap against a shadowy adversary from his past as the Marvel cinematic universe's central security organisation S.H.I.E.L.D. is rocked by a timely, Edward Snowden-esque surveillance scandal.
"The directors Anthony and Joe Russo have done a good job with this movie of giving him not so much internal burdens but external troubles," says Evans. "For Cap, trying to understand who he really works for is a challenge and there's also the issue of whether or not society as a whole aligns with his particular set of morals and values.
"It's tough for him as he ends up questioning whether or not he's a pawn in the greater scheme of something that he disagrees with morally. There is conflict but it's not necessarily that brooding against everything that other superheroes might bring to the table. He starts off with a bit more of a clean slate and begins bumping into the world around him."
Captain America is screening now.