Jocasta was created by the evil robot Ultron to be his mate. Unable to bring his creation to life, he kidnapped and brainwashed his creator Hank Pym into transferring the life energies of his wife, Janet Van Dyne (Wasp) into the android. Realizing that Janet must die in order for her to live, Jocasta used Wasp's insect control powers to alert the Avengers who defeated Ultron and reversed the process, leaving Jocasta a mindless shell. Unknown to the Avengers, Jocasta still retained a portion of the Wasp's mind.
