If AMC Theatres , the world’s largest theater chain, was hoping that “Jurassic World Rebirth,” “Weapons” and “ Superman ” would lift its most recent quarterly earnings, it needed to hold out for other heroes. That collection of man-eating dinosaurs, suburban sorceresses and comic book adventurers may have scored at the box office, but their grosses paled in comparison with last summer’s lineup, which included “Deadpool & Wolverine” and “Despicable Me 4.”

Overall, revenues at the theater chain for the three-month period ending in September slid to $1.3 billion, a 3.6% drop from the previous year. AMC also recorded a net loss of $298.2 million compared to net loss of $20.7 million in the prior-year quarter. The company said the deeper losses were related to “non-cash charges associated

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