Metroid Prime 4 was announced five years ago today (June 13th, 2017)
https://www.resetera.com/threads/595281/

「メトロイドプライム4」がNintendo Switch向けに正式発表 Posted 2017年6月14日7:07
https://jp.ign.com/metroid-prime-4/14717/news/4nintendo-switch