*½/****starring Jodie Comer, Aaron Taylor-Johnson, Ralph Fienneswritten by Alex Garlanddirected by Danny Boyle by Walter Chaw At its best, Danny Boyle’s 28 Years Later is alive with the speculative cultural anthropology of the due-for-revision Reign of Fire. At its worst, it’s Ren Faire: The Movie, a guided LARP through a fantastical post-apocalypse, replete with unnecessarily elaborate lore, feasting scenes, braids for miles, and paste-thick accents. It’s almost entirely humourless so...