Agatha’s final major storyline involves her quest to control the Darkhold. Corina, from Agatha’s original coven, resurfaces as the villain Korrosion, intent on ending the world

First premiering as the inconspicuous yet nosy neighbor in 2021’s WandaVision, actress Kathyrn Hahn’s depiction of Agatha Harkness has seemingly come full circle. Even though Wanda successfully defeated the centuries-old witch and trapped her in the magically created Westview,

While Agatha is breaking down the title of the book stolen from the library, a paper under her notepad features "Bellevue," a fun little Easter egg. In the comics, Bellevue Hospital in New York is a recurring location for many Marvel heroes and villains, including the Night Nurse, Daredevil, Ms. Marvel, and Bullseye.