Deseret News - 22 Mar 2021
'WandaVision' revealed that Agnes is actually Agatha Harkness. Here is the history of Agatha Harkness from the Marvel Comics.
Variety - 28 Nov 2023
‘Agatha: Darkhold Diaries’ First Set Footage Teases Kathryn Hahn’s Marvel Return After ‘WandaVision’: ‘Nothing More Delicious to Agatha Than to Be in a Spinoff’ ...