Nintendo tied up its "Metroid Prime" franchise nicely with their recent "Trilogy" boxed set, and the company currently has its sights set on "Metroid: Other M," a 2D-ish return to classic "Metroid" gameplay. That project left the "Prime" games' developers at Retro behind to partner with Tecmo. Certain word choices by developers in a recent interview, however, seem to to indicate that future "Prime" games may still be possible down the pipe.
"As all I take part in is the 'Prime' series, I am not capable of commenting on the whole 'Metroid' series," Retro Studios producer Kensuke Tanabe told Kotaku. "But we will keep considering multiplayer for the 'Prime' series. For instance, I think I can come up with some unique ideas using the Morph Ball, which is a specific skill of Samus'."