Long before she was a major Marvel star, Elizabeth Olsen was known as the little sister of the famous Olsen twins: Mary-Kate and Ashley. Of course, the 31-year-old actress now has an impressive reputation of her own. Elizabeth is one-half of the iconic Wanda Maximoff and Vision superhero duo from the Avengers film series who will be now leading their own TV show, WandaVision, which will premiere on Disney+ on Jan. 15.