The last episode of Riverdale that Perry filmed aired in April and saw his character, Fred Andrews, give some words of wisdom to his son Archie Andrews, played by KJ Apa.
During the Comic-Con panel, Aguirre-Sacasa unveiled a video of Perry's best moments on Riverdale, which was played for the cast during last season's wrap party, according to Variety.
Luke - Season - Episode - Time - Showrunner
"When Luke passed, it was toward she need of season three, and we thought rather than rush an episode in we would take our time," the showrunner said. "We really wanted to honor Luke, to honor Fred and we wanted it to be a standalone, really emotional, really focused on what this character meant to this group of people."
Cast member Cole Sprouse said Doherty's inclusion in the season four premiere "put the cherry on top of...