In the movie "Indiana Jones and the Dial of Destiny," it is revealed that Mutt Williams, played by Shia LaBeouf, has died off-screen during the Vietnam War. Indiana Jones explains that Mutt enlisted in the army to impress his dad and ended up dying in combat. Mutts death resulted in the breakdown of Indiana Jones and Marion Ravenwoods marriage, and they are currently getting a divorce. The absence of Mutt in the movie is explained, and his death adds extra layers to the overall bittersweet tone of the film.