Warning! This article contains SPOILERS for Agatha All Along episodes 1 & 2.Agatha Harkness has finally returned to the Marvel Cinematic Universe, and the first episodes of Agatha All Along present an intriguing mystery around Agatha’s locket that could connect to one of a few possible different characters. Kathryn Hahn first joined the MCU back in 2021, playing the nosy neighbor Agnes in WandaVision. One of the best MCU TV shows, WandaVision had some exciting developments for the franchise, like making Elizabeth Olsen’s Scarlet Witch a major character in the MCU, and Agnes’ villain reveal, with Hahn’s character being actually the evil witch Agatha Harkness.

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