Nintendo revealed Pikmin will return in Pikmin 4 sometime in 2023.
In addition to the trailer, Nintendo also added the following details:
The first sneak peek at the next game in the Pikmin franchise revealed a tranquil park and a napping Bulborb, but it was still missing one important element… Pikmin! Where could they be? More details about this new title for Nintendo Switch will be revealed ahead of its 2023 launch.Nintendo
Expect more information as we get closer to release.