Ever since her casting was announced last year, many have been wondering who exactly Stephanie Szostak is playing in Marvel Studios'. The majority of speculation suggested that she could be Janet Van Dyne/The Wasp. However, it appears that we have official confirmation on her role in the anticipated threequel.says that they can confirm that Szostak is playing, a member of AIM (which features in some capacity in the film) who was involved with a super soldier serum project. A reader for the site then tipped to theproduction notes (a portion of which you can see below) on the official website, which list Szostack as 'Brandt'. Additionally, Ellen Brandt is known in the comics for being married to Ted Sallis, a S.H.I.E.L.D. agent who eventually becomes Man-Thing. What do you think of this news?stars Robert Downey Jr., Gwyneth Paltrow, Don Cheadle, Guy Pearce, Rebecca Hall, Stephanie Szostak, James Badge Dale, Jon Favreau and Sir Ben Kingsley. The film is set to hit theaters May 3rd.