"We have to go back to where it all started." Watch this behind-the-scenes look with the cast of Marvel Studios' "Black Widow," in theaters May 1. ► Subscribe to Marvel: http://bit.ly/WeO3YJ Follow Marvel on Twitter: ‪https://twitter.com/marvel Like Marvel on Facebook: ‪https://www.facebook.com/marvel For even more news, stay tuned to: Tumblr: ‪http://marvelentertainment.tumblr.com/ Instagram: https://www.instagram.com/marvel Pinterest: ‪http://pinterest.com/marvelofficial Reddit: http://reddit.com/u/marvel-official