The Indiana Jones franchise is one of the most beloved and long-running film franchises in history. It’s also unique in that, over the span of four films in nearly 30 years, Steven Spielberg has remained the sole director, spearheading each and every entry. With Indiana Jones 5 poised to reunite Spielberg and star Harrison Ford for a fifth time, now seemed like as good a time as any to look back at the most recent—and most controversial—installment of the franchise, and see how Indiana Jones and the Kingdom of the Crystal Skull came to be. It …