Agatha All Along is the latest entry in the MCU timeline, acting as a direct sequel to WandaVision. Marvels first Disney+ show was a hit with audiences, and one of the highlights was undoubtedly the debut of Kathryn Hahns Agatha Harkness. The character was initially introduced as Agnes, Wandas nosy neighbor in the sitcom world, who would always show up at just the right time for a comedic beat. However, its eventually revealed that Agnes is the powerful witch, Agatha Harkness, who came to Westview to harness Wandas magic.