There is speculation that a Paper Luigi extra mode is in development.
This is the second classic Mario RPG game that was announced for a remake on the Nintendo Direct stream for the Nintendo Switch in 2023, after Super Mario RPG (2023).
This game would be released on the 20 year anniversary of the original Paper Mario: The Thousand-Year Door (2004). In addition this is the first time since the original release that this game would be given a re-release.
The first Paper Mario game in the series to get a remake.
When booting the game up for the first time, Mario is the only character on the title screen. As the player progresses through the game, the partners who join you will also appear on the title screen alongside Mario, as well as Peach and Bowser.