Agatha Harkness

Agatha Harkness is Scarlet Witch's mentor.

Biography
Wanda and Vision tried to have Agatha revive Wonder Man, but her son Nicholas Scratch kidnapped her first. He puts her on trial and sentences her to death. However, Nicholas was defeated when Agatha gave her magic to enhance Wanda's power.

In the Comics
Was the nanny of Franklin Richards, the son of Mister Fantastic and Invisible Woman.