The horror movie Ma does Riverdale better than Riverdale

Riverdale, the CW soap that doubles as an alternate-world adaptation of Archie comics, recently wrapped its third season with a characteristic mix of utter nonsense and mic-dropping bravado. After a winding series of 22 episodes that saw some of the show’s weirdest, strongest storylines (the cult-like hold of a role-playing game called Griffins & Gargoyles; Archie’s prison break) as well as some of its most tedious, inexplicable detours (Archie’s boxing gig; endless Hiram