Marvel Theory: WandaVision's Villain Is Scarlet Witch's Comic Book Mentor 

screenrant.com -BY JOHN ATKINSON - WandaVision will emulate sitcoms tropes - which indicates that Kathryn Hahn's character might actually be a villainous version of Agatha Harkness.
trefwoorden: marvel theory, wandavision, villain, scarlet witch, comic book mentor