The ugly truth is the way Disney is conducting itself here is indicative of a studio that has made the calculation that it doesn’t need to be in business with her anymore. And why should it? The Black Widow character is not central to the Marvel mythology, and regardless of whether the character is important or not, Disney has no interest in doing more with the “Black Widow” IP.
Source: Is Scarlett Johansson the Face of a New Showbiz Revolution? Not Quite