Agatha All Along, the spooky spinoff series from WandaVision creator Jac Schaeffer, centers on antagonist Agatha, a dark witch who wielded a book called the Darkhold and tried to steal Avenger Wanda Maximoff's powers. At the end of WandaVision, Wanda cast a spell on Agatha trapping her in a delusion.

Agatha Harkness is back in her own spinoff, "Agatha All Along," which takes place after the acclaimed Marvel show "WandaVision."

Kourtnee covers TV streaming services and home entertainment news and reviews at CNET. She previously worked as an entertainment reporter at Showbiz Cheat Sheet where she wrote about film, television,

When "WandaVision", a show featured around the MCU's Scarlet Witch launched in 2021, it also introduced audiences to a quirky antagonist by the name of Agatha Harkness. Now, Agatha is coming back to the big screen for her own spin-off series.

Marvel’s Agatha All Along finally premieres on Disney+ this week, and while this is the series premiere, there are literally dozens of hours of stories from the Marvel Cinematic Universe that all lead into this show: Films and TV shows about the history of magic and how they set up the events of this new series.