Beau Is Afraid, out in April from indie powerhouse A24, is already one of 2023’s most anticipated films. It’s got Oscar-winning weirdo Joaquin Phoenix in the lead role, playing a schlubby old guy (with actor Armen Nahapetian playing his eerily identical teen self). And it’s got Ari Aster in the director’s chair—you know him as the dude behind Hereditary and Midsommar. Aster’s developed a cult fanbase among horror fans on the strength of those two films, which are uniquely...