The following lists the media in the IMFDB that features the character of Black Widow:
Iron Man 2 (2010)
Avengers: Age of Ultron (2015)
Captain America: Civil War (2016)
Thor: Ragnarok (2017)
Avengers: Infinity War (2018)
Avengers: Endgame (2019)
Black Widow may also refer to the Riva Esterina Black Widow, a .22 LR revolver from Italy.