Tony's down with his string theory – if this place is pulling people in from different universes, they could be places with different basic laws of physics. Of course that doesn't explain why both her wings and his suit function here. He'll have to work on that one.

Meanwhile, he's just going to enjoy having a proper challenge.

Kicking up the speed a bit, he brings himself to match the girl's pace, and calls over, "You never told me your name!"