100.00% - WandaVision was right to resist fan-theory bait rather than indulge in cameo-driven fan service.
0.00% - Any last-minute gambits—Doctor Strange busting through the wall like the Kool-Aid Man, John Krasinski debuting as Reed Richards, or any Mephisto nonsense—would’ve rang hollow. WandaVision is a TV show, not a Where’s Waldo book.