NEW YORK -- For the first time since the pandemic began, the box office is booming. “Spider-Man: No Way Home” grossed $50 million in Thursday previews alone, a stunning start for a movie set to break pandemic records.Sony Pictures' “No Way Home" scored the third-largest preview total ever, trailing only those for “Avengers: Endgame” ($60 million) and “The Force Awakens" ($57 million).