Video: New Metroid Prime 4 Footage Spotted On Nintendo's Teaser Website
When is Metroid Prime 4: Beyond scheduled for release?

Metroid Prime 4: Beyond is scheduled for release in 2025 for the Nintendo Switch. The game was initially announced in 2017 and has gone through a long development cycle, including a complete restart in 2019. Retro Studios, the original developer of the Metroid Prime series, was brought back to work on the project.
What new environments are shown in the Japanese teaser website?

The Japanese teaser website for Metroid Prime 4: Beyond showcases a jungle-like environment with waterfalls, open spaces, cliffs, and trees. This footage provides a more detailed look at the lush biome that was briefly shown in the official trailer2. It is currently unclear when more information about the game's environments and gameplay will be revealed, but fans can expect the game to release sometime in 2025.
How long ago was Metroid Prime 4 initially announced?

Metroid Prime 4 was initially announced seven years ago during E3 2017.