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.

So it makes sense that the latest Marvel offering on Disney+, Agatha All Along, opts to directly tie itself to WandaVision, both in terms of plot and recreating various period aesthetics. But as a result,

"Agatha All Along" premieres Wednesday on Disney+. Here's a "WandaVision" recap (and some other crucial MCU details to remember) before watching.

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.

The much-anticipated fantasy sci-fi series Agatha All Along has made its way on Disney+ and is now piquing interest due to its easter eggs and MCU references. These easter eggs play a huge role in connecting fans with Marvel’s cinematic universe,

Agatha All Along is streaming and well, it wouldn't be a Marvel series without a cauldron full of Easter eggs now, would it? The supernatural series introduces a whole bunch of never-before-seen characters like Lilia Calderu (Patti LuPone) and Jennifer Kale (Sasheer Zamata),

Aubrey Plaza is officially playing the green witch Rio Vidal on 'Agatha All Along,' but there are hints that she's actually Blackheart, the child of Mephisto.

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.