Rupert Grint

Rupert Grint

Julia Ducournau’s grim AIDS allegory

Palme d’Or winner Julia Ducournau showed how deftly she could use genre and metaphor with her first two features, 2016’s cannibal-themed “Raw” and 2021’s car body horror “Titanium.” But based on early reactions, the French filmmaker’s third film, “Alpha”, turned…