Agatha Harkness (aka Agnes, Agatha, Naughty Agatha) is a character from the Marvel Fantastic Four comics. She may be used in:
- the Marvel's The Avengers Play Set with Disney Infinity 2.0 (only)
- the Toy Box for Disney Infinity 2.0 and later,
- all Marvel Toy Box Games for 2.0 and later, and
- all Toy Box Expansion Games (Disney Infinity 3.0).
She was released during the Disney Infinity WandaVision event. She is released in the Avengers Play Set, as well as the WandaVision Play Set.