Black Widow is a character appearing in American comic books published by Marvel Comics. Created by editor and plotter Stan Lee, scripter Don Rico, and artist Don Heck, the character debuted in Tales of Suspense #52. The character was introduced as a Russian spy, an antagonist of the superhero Iron Man. She later defected to the United States, becoming an agent of the fictional spy agency S.H.I.E.L.D. and a member of the superhero team the Avengers.

Marvel Comics is an American comic book publisher and the property of The Walt Disney Company since December 31, 2009, and a subsidiary of Disney Publishing Worldwide since March 2023. Marvel was founded in 1939 by Martin Goodman as Timely Comics, and by 1951 had generally become known as Atlas Comics. The Marvel era began in August 1961 with the launch of The Fantastic Four and other superhero titles created by Stan Lee, Jack Kirby, Steve Ditko, and many others. The Marvel brand, which had been used over the years and decades, was solidified as the company's primary brand.