Devil Jinn
An online game. Not playing as samus, instead playing as someone with a gun, sword, something different you know. Like Samus has been captured and it is up to you and your team to save her. Kind of like a fusion between Mass Effect and Metroid that is also 4 player like co-op.
I'm thinking something like that but a little different.
You are playing an OC(despite how much I hate them in Fanfics). That has to help Samus keep G.F.S. off her tail because of what she did in Fusion. I don't know about you guys but I think G.F.S. would be pretty pissed with what Samus did during Fusion, when I say that I mean the big corporate guys who lost alot of money because of what she did not the people who think she is a hero. I was sorta thinking something like you having to get rid of those that put her up to be killed.
Just one Metroid fan's opinion.