Earlier this year Nintendo revealed that the DS hit Mario & Luigi: Bowser's Inside Story is getting a remake on 3DS with new content, including the all-new Bowser Jr.'s Journey sub-game. At the time Nintendo stated that it would be a 2019 release, and today they confirmed that we won't have to wait too long. You can look forward to playing it on January 11th, 2019.

Source: Nintendo Direct