Wasp x Bumblebee + Story

Stinger’s Origins by MoonKnightFan101:
Karen Van Dyne was an American socialite and fashion designer who later became a superhuman adventurer. She was gentically altered by her boyfriend and later husband; Ray Pym and gained the ability to alter her size using Pym lens, as well as having had bio-synthetic wings implanted into her back, allowing her to fly at rapid speeds, and fire bio-electric energy called "stings". Calling herself "Stinger", she became Pym's Quark superhero partner. Later, she became a founding member of the Great Lakes Patrol and X-titans.

Both characters belong to Marvel and DC respectively.