The Black Widow training program in the movie also features characters played by Rachel Weisz and Florence Pugh.
David Harbour, who shoots "Stranger Things" in metro Atlanta as police chief Jim Hopper, is also a major character in "Black Widow" playing a Russian super soldier.
Marvel regularly does reshoots after main production is over and financially, it make sense to do so stateside rather than return to Europe with the Georgia tax credits as additional incentive. “Black Widow” is scheduled to come out May 1, 2020.
“Avengers: Endgame,” much of which was shot in Georgia, is the highest grossing film of all time, not adjusting for inflation.