Re: MCU Phase 3: Have it your way
Feige said: "Iron Man 3 doesn't feature any of the other Avengers, or Nick Fury showing up, or any of those world-blending conceits that the Phase One films had."
That definitively rules Szostak out as Wasp, an Avenger.
Doesn't mean Szostak isn't playing a traditional Iron Man villainess, though.
THE COTTON AVENGERS
...They move like slick cotton on oil.