May "Mayday" Parker. Daughter of Peter "Spider-Man" Parker and Mary Jane Watson-Parker. Active in the Marvel Comics parralell universe refered to as "MC2" (Marvel Comics 2)
Introduced in What if... volume 2 #105
-Have you read the new Spider-girl?
-No, that sounds like a cheap knock-off.
- FU, Spider-girl pwns, DeFalco is teh shit