That said, there’s no guarantee that Black Widow will get a sequel, and what Scarlett Johansson told ET might foreshadow that this is serving as her final MCU appearance.
That said, even if we assume that Johansson is leaving the MCU, that doesn’t mean Black Widow couldn’t still spawn its own film series.
After all, there’s only so many more places Natasha Romanoff can go from where the movie will leave off with her, and again, we know what her final destination is.