Despite the cost of reshoots and the time it will take, Scott has been outspoken about wanting to have the film ready for its initial release date of Dec. 22 -- and just in time for awards season.
Earlier this month, ET caught up with Plummer at the premiere of his new film, The Man Who Invented Christmas, where he spoke about joining the project so last minute.
"It isn’t replacing. In a funny way it’s starting all over again because it’s going to be different, naturally," Plummer explained.
Hear more of what he had to share in the video below.