Metroid Prime 4 won't be developed by Retro Studios and i'm okay with that.

[wombat123]

curl-6 said:

http://gonintendo.com/stories/282770-sakamoto-talks-more-on-metroid-samus-returns-dev-time-new-deta

Sakamoto not involved with MP4 (Thank fuck)

Doesn't he hate the Prime games?  Don't see why he'd want to be involved in it if that's the case.