Scarlet Witch

Wanda Maximoff (also known as Scarlet Witch) (voiced by Elizabeth Olsen, Kate Higgins, and Kelly Sheridan) is a character in the Marvel Cinematic Universe who appeared in Disney/Marvel's 2015 film Avengers: Age of Ultron. She is the twin sister of fellow Avenger, Pietro Maximoff, alias Quicksilver, and the daughter of Magneto and General Maximoff.