Black Widow is the name of two superheroes who have appeared in various titles published by Marvel Comics: Natasha Romanova and Yelena Belova.
Natasha Romanova first appeared as a villain for Iron Man in Tales of Suspense #52 (1964).
[2]: 57 Yelena Belova first appeared in Inhumans #5 before her formal introduction as a rival for Natasha in the first Black Widow series.
Series that feature both Natasha and Yelena as main characters are denoted by an asterisk (*), and series that only feature Yelena as a main character are denoted by a dagger (†).
Multiple tie-in comic books based on Black Widow adaptations have been published.