Part 1: bad sex?

Tw: SMUTY CONTENT.

TW: There might be mentions of torture and weapons

There is some differences so don't kill me. For example, there is no ultron but ultron characters , characters are alive, etc. I'm try not to spoil to much.

(Y/n) is an agent of S.H.E.I.L.D. She is assigned a mission after Loki attacked NYC. She has to help tony work on the stone But something goes wrong.

I do not own any marvel characters