Johansson played Natasha Romanoff in a number of Marvel Studios projects, the most recent being 2021’s Black Widow. That movie was set before the events of 2019’s Avengers: Endgame ...

Scarlett Johansson is an executive producer on Thunderbolts*, likely because of the movie's connections to her 2021 blockbuster but, beyond that, it seems her time as Natasha Romanoff is over.