What makes Indy run? For years, the obvious answer was Steven Spielberg, who, starting in 1981 with “Raiders of the Lost Ark,” guided Harrison Ford’s hunky archaeologist, Dr. Henry Walton Jones Jr., in and out of gnarly escapades and ripped shirts in four box-office behemoths. By the time Spielberg directed Ford in their last outing, “Indiana Jones and the Kingdom of the Crystal Skull” (2008), Indy was in his late 50s and fans were speculating that the character was immortal, even if the franchise itself had begun running on fumes.

As a longtime big Hollywood star and hitmaker, Ford had already achieved an immortality of a kind. Indy-ologists, though, were more focused on the eternal life that Indy might have been granted by the Holy Grail when he takes a healthy swig from it in his third outing, “The Last Crusade” (1989). It’s pretty clear from his newest venture, the overstuffed if not entirely charmless “Indiana Jones and the Dial of Destiny,” that while Indy…