I've loved all the portable Metroid games (with the exception of Prime Pinball, which I haven't played yet), so I'll be happy with whatever it is.
That being said, I'd probably most prefer a 2D game, only because it speaks to the series' roots and it allows for simple, intuitive controls.
I would like to see a huge 3D Metroid on Wii U, though -- maybe something about Samus' origins.










