This doesn't come as surprise, and was unfortunately forecasted by many in the distribution sphere following MGM jumping the release of No Time to Die from Easter weekend April 10 to Thanksgiving this year.
Other Disney movies delayed to TBD dates include 20th Century Studios' Amy Adams drama The Woman in the Window, based on the A.J. Finn novel, which was originally set for a May 15 release and Searchlight's The Personal History of David Copperfield which was dated for May 8.
With major movies like Black Widow, F9, A Quiet Place Part II off the calendar, many will wonder when they'll make their way back. This will certainly give China some breathing room to get up and going with the supply of old titles they have already cleared, i.e. Dolittle, Jojo Rabbit, Ford v. Ferrari, Bad Boys for Life and big local titles like Detective Chinatown 3, before new U.S. releases are pushed out.
Black Widow, directed by Cate Shortland, is the first Marvel movie in their next phase after tying up the Avengers series with Avengers: Endgame last year, a monumental box office achievement that broke several records including the best global opening of all-time ($1.2 billion) and the highest grossing movie of all-time, besting Avatar, with $2.79 billion.