Originally Posted by Dark Raven
I'm guessing that Emily VanCamp has to be Sharon, since Carter featured in the original Winter Soldier storyline. She was kidnapped by him, and when rescued by Cap, tells him that her kidnapper looked like Bucky. So Sharon is integral to the storyline, unless they're changing details for the movie.
I'm certain they will.
Not the least because Natasha wasn't involved in the Winter Soldier storyline.