Black Widow (Marvel Rebirth)

Black Widow is an agent of S.H.I.E.L.D. and a member of the Avengers.

Biography
In the Marvel Rebirth timeline, Black Widow was a member of the Avengers.

Marvel: Civil War
Black Widow and Hawkeye both stayed on Earth-614 to help its world's Captain America restore order after the overthrow of their Iron Man.