“ Alien: Romulus,” the latest installment in the 45-year-old franchise, opened in first place at the North American box office. The 20th Century Studios release earned an estimated $41.5 million in its first weekend, where it was playing in 3,885 locations in the U.S. and Canada. Including $66.7 million from international showings in 49 markets, “Alien: Romulus” boasted a $108.2 million global...