So obviously, unless you're trapped in The Hex, you've seen the latest episode of WandaVision (if not, for goodness sakes go watch it now!). Like most viewers, your mind has likely been replaying the greatest villain song from the MCU since Loki's holiday hit "Grandma Thinks My Helmet is a Reindeer". Test your memory of the biggest reveal to come out of Marvel Studios since the previous episode of WandaVision.
