“The Super Mario Bros. Movie” scored the best second weekend ever for an animated movie in North American theaters with $87 million in ticket sales, according to studio estimates Sunday. “Mario” faced little major competition this weekend even with a slew of new national releases including “The Pope’s Exorcist,” which opened in second place; “Renfield,” which debuted in fourth; “Mafia Mamma” and the animated “Suzume.” A24 also debuted “Beau is Afraid,” starring Joaquin Phoenix, in four theaters in New York and Los Angeles where it made $320,396 over the weekend before it expands nationwide on Friday.