The Marvel Cinematic Universe has made several major heroes and villains popular with mainstream audiences, with one example being The Scarlet Witch. Also known as Wanda Maximoff, this former Avenger morphed from a scared young woman to a hero, a mother and an outright monster. Unfortunately, said development was seen by many as inorganic, and Wanda's appearance in Doctor Strange In the Multiverse of Madness was ultimately a major heel turn for the character.
Source：https://www.cbr.com/scarlet-witch-death-doctor-strange-2-disservice/
