In the comics, and correct me if I'm wrong, Black Widow is more or less a former Soviet spy who wears a tight-ass black suit and uses high-tech weaponry both against and on behalf of S.H.E.I.L.D. (after a whole bunch of inter-Avenger drama). So it's really just a repeat of her role in The Devil Wears Prada minus the 'tude.
Browse links
US residents can opt out of "sales" of personal data.