https://www.escapistmagazine.com/mario-kart-8-deluxe-booster-course-pass-wave-5-trailer-three-new-characters-new-track/
Mario Kart 8 Booster Course Pass Wave 5 Characters Revealed
Jun 21, 2023 - June 2023 Nintendo Direct: Nintendo reveals Mario Kart 8 Deluxe Booster Course Pass Wave 5 with new characters for summer 2023 release.
mario kart 8 boosterwave 5coursepasscharacters