[Update: Nintendo has since confirmed that Retro Studios is not developing Metroid Prime 4. The game is being developed by a "talented new development team," according to series producer Kensuke Tanabe.]
During its E3 2017 spotlight presentation, Nintendo officially announced that the long-awaited Metroid Prime 4 is in development for the Nintendo Switch. Besides revealing Metroid Prime 4's logo and its platform, Nintendo didn't confirm any other details about Samus's next adventure.
In fact, we aren't even sure that the game is being developed by Retro Studios, the team that worked on the original Metroid Prime trilogy. However, since Retro's last game was 2014's Donkey Kong Country: Tropical Freeze, it seems likely that the studio is indeed working on Metroid Prime 4 for the Nintendo Switch. Unless, of course, it has some other unannounced game in the pipeline, and Nintendo has turned to another studio to work on the project.
While we wait for more concrete details on Metroid Prime 4, all fans can do is speculate as to what the next game in the series will entail. For example, will it be a strictly single-player adventure, or will it feature online multiplayer of some sort, like a couple games in the series have in the past?
For now, fans will just have to sit tight and wait for Nintendo to be ready to share more information on the game. In the meantime, it would be interesting to learn just how long Metroid Prime 4 has been in development so fans can have a better idea of when to expect the game to actually launch for the Switch.
It's possible that Metroid Prime 4 has been in the works since Retro wrapped up its work on Donkey Kong Country: Tropical Freeze. After all, a new entry in the series has been teased for at least a couple of years, with series producer Kensuke Tanabe hinting that a Metroid Prime game was in development for the Switch all the way back when it was still known by its codename NX.
While some fans may be disappointed that Metroid Prime 4 doesn't have a release window, others may be relieved to learn that the game is in development at all. Hopefully some more information on it comes before Nintendo's time at E3 is up, but if not, fans should expect to see more of the game next year.
Metroid Prime 4 is in development for Nintendo Switch.