First appearances of characters whose name contains “Agatha Harkness”"

IssueTitleNotes
94Fantastic Four (Vol. 1)1st Appearance of Agatha Harkness; 1st appearance of Ebony, Agatha’s cat who turns into a demon-like creature; Versus Wizard; Versus Sandman; Versus Trapster; First mention of the name Franklin Richards
94Fantastic Four (UK Edition, Vol. 1)1st Appearance of Agatha Harkness; Versus Trapster; Versus Wizard; Versus Sandman