Kathryn Hahn has put a spell on the Marvel Cinematic Universe again. The celebrated actress earned an Emmy nomination and her own earworm signature song for her MCU debut as Agatha Harkness in "WandaVision" in 2021.

"WandaVision" aired in 2021 and most of the characters, including Agatha, have not been seen or mentioned in the MCU for years.

The following story contains some spoilers for episode 1 of Agatha All Along, "Seekest Thou the Road." IF YOU THINK back to the long, long ago time of January 2021, when WandaVision first debuted on Disney+,

Cue Rio Vidal, an antagonistic witch with a long history and vendetta against Agatha. In the show’s premiere episode, she appears as a federal agent in Agatha’s “Agnes of Westview” illusion. Rio initially seems like an ally to Agatha as she attempts to get Agatha out of Wanda’s spell multiple times,

WandaVision‘s nosy neighbor turned out to be far more dangerous than most sitcom characters. Now the show’s spinoff starring Kathryn Hahn has introduced its own mysterious witch.