Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey

Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey is an enhanced remake of the 2009 Nintendo DS game known as Mario & Luigi: Bowser's Inside Story that is set to release sometime in 2019 on the Nintendo 3DS. The game was announced in the Nintendo Direct that occurred on March 8th, 2018. Like Mario & Luigi: Superstar Saga + Bowser's Minions, this game features another story named Bowser's Jr.'s Journey, where Bowser Jr. takes action in this story.

Development
Not much is actually known of the upcoming game, as a few enhanced gameplay scenes from the original game are seen.