Agatha All Along's costume designer opens up about how they incorporated Scarlet Witch's designs into Billy's new Wiccan outfit.

Episode six of "WandaVision" showed the titular heroine dressing in a comic-book-accurate Scarlet Witch costume, though she said she was pretending to be a "Sokovian fortune teller" for Halloween.

A second WandaVision spinoff based on the character Vision from the series is in development, according to published reports.

Donning the witchy outfit for the first time was "a beautiful moment," Kathryn Hahn, who played Agatha Harkness in "WandaVision," told Insider. Although the costume looked great, it did have its ...