When Disney confirmed the spring 2014 release date of Captain America 2, they released a brief synopsis for the sequel which confirmed that Steve Rogers (Chris Evans) would continue his life as a soldier for S.H.I.E.L.D. post-Avengers, working for Nick Fury (Samuel L. Jackson). Months later, the the film got its official (and revealing) title at Comic-Con, Captain America: The Winter Soldier, which seemingly confirmed that at least Black Widow (Scarlett Johansson) would return as well - going off the storyline in Marvel Comics.
While the jury is still out on an appearance by Clint Barton AKA Hawkeye (Jeremy Renner), we do know that Cobie Smulders will return after her introduction in The Avengers as Agent Maria Hill, second-in-command to Fury. She may also have a role to play in Joss Whedon's S.H.I.E.L.D. TV show.
Cobie Smulders made her break with a starring role in How I Met Your Mother and it wasn't until Whedon recruited her to play Hill in The Avengers did she get into the film business. With her background in TV, Smulders' Maria Hill seemed an obvious choice to have a starring role in S.H.I.E.L.D., that was, until the surprise announcement that Clark Gregg would lead the show as Agent Coulson even after dying on screen.
Still, it's a given that with the show's title and premise, Nick Fury or Maria Hill would factor in at some point and from Smulders' words in chatting with IAR while doing press for Safe Haven, Smulders hints that she's been chatting with Whedon and co. about appearing in the show.
"The commitments to [How I Met Your Mother] don’t affect it. And I can’t really say but there are definite talks about it."
As for her next theatrical Marvel appearance, Smulders says she's not yet seen the screenplay for Captain America: The Winter Soldier, but when she does it'll be under tight security with heavily watermarked scripts. She's also unsure of when she's required on set but that the film does begin shooting at the end of March/early April.
Our speculation is that since The Winter Soldier serves as a quasi-S.H.I.E.L.D. film, we'll see the relationship between Maria Hill and Nick Fury explored more, since much of that was cut from The Avengers. Hill and Fury do not always see eye to eye and in the films, Hill is more on the side of The Council. In the comics, Hill eventually takes over Fury's role as Director of S.H.I.E.L.D..
Iron Man 3 releases May 3, 2013, Thor: The Dark World on November 8, 2013, Captain America: The Winter Soldier on April 4, 2014, Guardians of the Galaxy on August 1, 2014, The Avengers 2 on May 1, 2015 and Ant-Man on November 6, 2015.
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