Those claims were denied by production, but new rumors report that reshoots have ballooned the movie’s budget to $200 million.
Still, Dark Phoenix received a fair amount of attention when it was announced that reshoots were delaying the film by four months (originally), leading to rumors that not all was right with the Merry Mutants.
Reshoots can be seen as a sign of trouble by those who follow the industry, even though in most cases it’s pretty standard.