SPOILER ALERT: Do not read if you have not yet watched “Chapter Fifty-Four: Fear The Reaper,” the April 24 episode of “Riverdale.” “Riverdale” has aired late actor Luke Perry’s final scene as Andrews patriarch Fred. In “Chapter Fifty-Four: Fear the Reaper,” the 19th episode of the third season of “Riverdale,” Archie (KJ Apa) was worried about […]