In the Luigi's Mansion 3 reveal trailer, there are pizza boxes that say "since 1983", which is the year Mario Bros. released and Luigi's first appearance. : r/GamingDetails
Luigi's Mansion 3 review: You'll never want to leave this haunted hotel - Polygon
Amazon.com: Luigi's Mansion 3 - Nintendo Switch : Nintendo of America: Video Games
mario luigi 3 Free Shipping Available
Nintendo Download - October 31, 2019 (North America) - Luigi's Mansion 3, Mario & Sonic, more - Nintendo Everything
Super Mario 3D World + Bowser's Fury with Luigi's Mansion 3 - Nintendo Switch - Walmart.com