Elizabeth Olsen and Jeremy Renner talk Captain America: Civil WarAn Avengers veteran and a rookie hero team up in Captain America: Civil War, and although they may not technically be the stars of the movie, their stories are only becoming more important over time. Wanda Maximoff, played by Elizabeth Olsen, is a key player in the Marvel superhero movie, whose actions are partly responsible for the conflict between Tony Stark and Steve Rogers in the film.