Las Vegas (AFP) – Tom Cruise unveiled the world-first screening of “Top Gun: Maverick” at CinemaCon in Las Vegas Thursday — introducing the long-awaited sequel while balanced atop a flying bi-plane. The new “Top Gun,” which picks up the story of Maverick and his fighter pilot buddies some three decades after the blockbuster original, was scheduled to open in 2020 but was repeatedly delayed by the Covid-19 pandemic. Cruise, famous for doing many of his own stunts, introduced the screening to the movie theater industry convention with a video message recorded in typically hair-raising style, pe…