Marvel’s Scarlet Witch Actress Elizabeth Olsen Talks Supporting St JudeMarvel’s Scarlet Witch Actress Elizabeth Olsen Talks Supporting St JudeThe Scarlet Witch supports St. Jude Children's Research Hospital and so can you! Marvel's Avengers: Endgame actress, Elizabeth Olsen shares why she supports St. Jude.Kat MykalsKat Mykals