Indiana Jones and the Last Crusade was the focus of a "Young Indiana Jones" series of young adult novels that began in 1990; by the ninth novel, the series had become a tie-in to the television show. German author Wolfgang Hohlbein revisited the 1912 prologue in one of his novels, in which Indiana encounters the lead grave robber—whom Hohlbein christens Jake—in 1943. The film's ending begins the 1995 comic series "Indiana Jones and the Spear of Destiny", which moves forward to depict Indiana and his father searching for the Holy Lance in Ireland in 1945. Spielberg intended to have Connery cameo as Henry in "Kingdom of
Indiana Jones and the Iron Phoenix was featured as a central villain. After this game, LucasArts briefly considered making a game named "Spear of Destiny" (involving the spear of Longinus). They eventually abandoned the idea of creating a classical adventure game in the "Indiana Jones" series, instead focusing on "Tomb Raider"-style 3D action games. Thus, ending it with the release of "Indiana Jones and the Infernal Machine", followed by "Indiana Jones and the Emperor's Tomb" and "Indiana Jones and the Staff of Kings". Since the game, "Indiana Jones and the Iron Phoenix" was canceled, Dark Horse Comics released a four-part comic book series based upon it.