Nintendo should rename Luigi's Mansion 3.

Here are some better suggestions ahead of its Halloween release.

Luigi's Mansion: Dark Moon - Wikipedia

Luigi's Mansion 2 (Luigi's Mansion: Dark Moon) Video with Audio (E3 2011)

Luigi's Mansion: Dark Moon has been renamed Luigi's Mansion 2 in Europe, Page 3

Luigi's Mansion 3 - Nintendo Switch, Nintendo Switch

Luigi's Mansion 3 update out now (version 1.4.0), patch notes

Nintendo should rename Luigi's Mansion 3.

Nintendo to acquire Luigi's Mansion developer Next Level Games - The Verge

A tour of Nintendo's booth at E3 2019 - Neowin

Why are there no Luigi or Rosalina themed courses in 8 Deluxe? I wish Nintendo would add Luigi Circuit, Luigi Raceway, Luigi's Mansion, and Rosalina's Ice World. : r/mariokart

Annnnnd done. Last fight was a doozy. : r/MarioRPG

What was the purpose? : r/casualnintendo