It’s taken fans of Marvel’s Avengers film franchise 10 years to arrive at one of the most pivotal moments in movie history with the release of AVENGERS: INFINITY WAR on April 27. It took just 72 hours for those fans to create new advance ticket sales records for superhero movies at AMC Theatres. Reflecting the first 72 hours after tickets went on sale, AVENGERS: INFINITY WAR more than tripled the next closest superhero movie, BLACK PANTHER, during the same timeframe.…