That Marvel’s Black Panther is a runaway hit commercially and culturally is, by now, obvious. The movie, set in the fictional African country of Wakanda, is now the third highest-grossing film in North American cinematic history, having dethroned Titanic earlier this month. Saudi Arabia, which is undergoing something of a Middle Eastern glasnost under Crown Prince Mohammed bin Salman, chose it to be the first movie screened, on Wednesday, to mark the end of the country’s 35-year cinema ban.