The actor said the decision to simultaneously release the film in theaters and on Disney+ breached her contract and deprived her of potential earnings.
The Marvel blockbuster starring Scarlett Johansson broke the pandemic-era box office record by grossing $215 million in its opening weekend.
The actor praised her character's evolution over the past decade ahead of the release of the stand-alone "Black Widow" film.
Black Widow is dead, and so are we after this quip.
A number of other Marvel projects have also been affected by the outbreak.
She gave him sweet kisses and declared him the love of her life in "SNL" monologue.
Natasha Romanoff targets "unfinished business" in the official teaser for the upcoming Marvel movie.
A series that explores the very different lives and experiences of three women who directly impacted or were affected by drug trafficking.