Wasp (Janet van Dyne) is a fictional character, a superheroine that appears in comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby, the character first appeared in Tales to Astonish #44 (June 1963).
"The Winsome Wasp", as she is sometimes called, is usually depicted as having the ability to shrink to a height of several centimeters, grow to giant size, fly by means of insectoid wings, and bioelectric energy blasts. She is a founding member of the Avengers as well as a long time leader of the team. The codename of "The Wasp" was temporarily used by Henry Pym while Janet was presumed dead.