Even a small sample of the Warner Bros. 2021 film slate suggests the studio’s big-screen ambitions: a desert-planet messiah who can kill with a word (“Dune”); a colossal clash between mutant monsters (“Godzilla vs. Kong”); a local hero who whips up frenzied dance routines across uptown rooftops (“In the Heights”).They’re the kind of movies that families, couples and teenagers once watched on three-story screens from the comfort of stadium-style seats, with the soundtrack’s bass notes rumbling at their feet. But last week Warner Bros. broke with tradition by announcing that it would release its entire lineup of 2021 …
