Take a look @ Marvel Comics' "Captain America: Civil War" -Prelude, "Road To War", the first Marvel Cinematic Universe comic book to tie-in with Marvel Studios' "Captain America: Civil War", featuring 'Black Widow':
"...'Captain America' and 'Black Widow' must train the new 'Avengers' recruits...
"...to work together as a team.
"Their first mission is stop the giant robot, 'Ultimo'.
"With 'Scarlet Witch', 'Falcon' and 'War Machine'.
"Plus a special bonus 'Tales Of Suspense' #58..."
Click the images to enlarge and Sneak Peek "Captain America: Civil War"...