  yellowjacket (rita demara) is a fictional character, as initial reluctant supervillainess and later superheroine in the marvel comics universe. ==publication history==  yellowjacket first appeared in avengers #264 and was created by roger stern and john buscema. years later, she was featured as a regular character in the guardians of the galaxy and avengers titles. yellowjacket was one of the feature characters in the 2011 three-issue limited series chaos war: dead avengers. ==fictional character biography== ===criminal career=== when first seen, rita demara was a reluctant supervillainess who had stolen one of hank pym's yellowjacket costumes, and modified it, making it more feminine (and removing the insect emblem). however, when she clashed with the wasp she became terrified upon shrinking, and was captured.avengers #264 yellowjacket participates in a takeover of the avengers mansion, assisting one of the more powerful versions of the masters of evil as a professional criminal.avengers #273-277 defeated, yellowjacket is sent to prison but is freed by the fixer, who has amorous intentions. she flees and tries to gain revenge on the wasp, by way of the black knight. furious at being rejected, the fixer tries to kill her. black knight helps yellowjacket defeat him and the two part on possibly romantic terms.solo avengers #12 during a time when no avengers were active, her costume receives a call for help from an automated system at an old avengers base. she finds herself teaming up with the beast, the captain, falcon, hercules, the hulk and jocasta. they battle the high evolutionary, who wishes to jumpstart humanity's evolution through worldwide catastrophe. yellowjacket helps battle through the evolutionary's underground submarine base, fighting against dozens of his soldiers. eventually the evolutionary is defeated by hercules, the two evolving out of reality.avengers annual #17 she later briefly serves as a member of superia's femizons.captain america #389-391 her second a
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