Janet van Dyne was born in Cresskill, New Jersey, the socialite daughter of wealthy scientist Vernon van Dyne. When her father is killed by an alien entity unleashed during one of his experiments, Janet turns to his associate Dr. Hank Pym for aid and convinces him to help her. To avenge her father's death, she undergoes a biochemical procedure that grants her the ability to grow wings upon shrinking under four feet tall and uses a supply of "Pym particles" by which to change her size. Together, she and Ant-Man defeat the alien and avenge her father. Janet decides to remain as Wasp and be Hank's partner as she has fallen in love with him, though Hank initially rejects her feelings due to the similarities between her and his murdered first wife.