When that happened reshoots that were more extensive than previously planned for Justice League were scheduled.
Things went more than a little pear-shaped for the Justice League production when Zack Snyder stepped down as director and Joss Whedon came in to finish the film.
The problem was that Henry Cavill had already moved on to filming Mission: Impossible – Fallout, a role for which he had grown a full beard and mustache, which he was contractually obligated to keep until filming was finished.