And after the postponement to a later date of Onward, Mulan, and The New Mutants, too Black Widow was postponed due to the coronavirus. According to Variety, Disney she found herself forced to postpone the new cinecomic license plate Marvel Studios as many US theaters have been ordered to close, including: New York, New Jersey, Ohio, Pennsylvania and Washington.
Black Widow, Directed by Cate shortland and starring Scarlett Johansson, was to debut in theaters on April 29 2020. At the moment, given the health emergency caused by the COVID-19, we do not know when it will be released in theaters on first film of phase 4 of the MCU.