National CineMedia, the nations’ biggest in-theater advertising firm, had a tough 2020 but is unspooling a reimagined Noovie Preshow this weekend timed to the record eyeballs awaiting Spider-Man: No Way Home. A consortium of the nation’s biggest theater chains, National CineMedia’s preshow, the cornerstone of its business, runs on 2,100 screens, about 75% of the