Mario Kart 8 Deluxe Wave 5 DLC release date confirmed for next week - VideoGamer

The Mario Kart 8 Deluxe Wave 5 DLC release date has now been announced by Nintendo through their June Nintendo Direct.
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Mario Kart 8 Deluxe's Booster Course Pass DLC adds 8 courses on March 18 - Polygon

Mario Kart 8's Final DLC Launches Next Week

Everything confirmed for Mario Kart 8 Deluxe - Booster Pass Wave 5

Every Track & New Character In Mario Kart 8's Wave 5 Booster Course Pass

Mario Kart 8 Deluxe' is getting 48 remastered courses as paid DLC

Mario Kart 8 Deluxe - Booster Course Pass Wave 6 - Course Overview Trailer

Mario Kart 8 Deluxe Booster Course Pass Wave 5 Arrives Next Week

Mario Kart 8 Deluxe Wave 5 DLC Includes Brand New Course, Three Returning Characters - Game Informer

Mario Kart 8 Deluxe - Booster Course Pass DLC tracks and release dates

Mario Kart 8 DLC hints at more returning characters after Birdo reveal