Iris

Head scientist of S.H.I.E.L.D. and part-time agent, Dr. Bruce Banner finds himself in an alternate timeline where he meets Natasha Romanoff, a Black Widow working for the Red Room. After he helps save a Widow under Natasha's command, the two are quickly arranged to be married. But what does Dreykov, the leader of the Red Room, gain from this?

As Bruce and Natasha fall in love, the scientist/agent must choose between getting him and his new wife back to his timeline, or saving a world that needs them.

A Brutasha "Outlander" AU