Meanwhile I read there were four weeks of reshoots on The Marvels. That is like the entire shooting schedule of a normal movie. Part of the problem with modern blockbuster trainwrecks is that normally studios are supposed to figure out "what is the audience for this thing" about a film and determine the budget accordingly. But increasingly they have gone into big tentpole movie projects with completely grandiose ideas about reaching $1B in box office with movies that are uninspired rehashes and reboots and of these films go into production without real finished scripts, or they end production with major scheduled reshoots after the first test screenings come back.
Part of the problem is movies like these aren't produced in a systematic way by a creative team with a cohesive vision, they're Frankenstein monsters stitched together through erratic phases of development that include rewrites, reshoots, previews, wave after wave of different screenwriters, requests from the marketing people, requests from the merchandising people, massive CGI work, multiple name actor cameos, and studio notes from sociopathic execs.