During yesteday’s Nintendo Direct, Nintendo announced Wave 4 of the Mario Kart 8 Deluxe Booster Course Pass. They showed off some footage of one new course that will be included, Yoshi’s Island, and announced a new character addition to the game as well, Birdo. Wave 4 of the Booster Course Pass will launch sometime this Spring 2023. A more specific release date has not yet been announced at this time. The Mario Kart 8 Deluxe Booster Course Pass is available on its own for $24.99 and is included with the Switch Online Expansion Pack at no additional cost for anyone already subscribed. Feel free to check out the Wave 4 trailer down below.