OkayI'm not saying they should ever makea Metroid movie but here are a number of changes from the gamethat they probably would have to make for the sake of realism, if they evermade one.

1. Samus would be avigilante instead of a bounty hunter.

2. She would have to have a secret identity.

3. She would have to have all her abilitys and powers throughout the entire movie rather the discover them.

4. Her Spider ball ability would have to cling onto any kind of surface whatsoever and not have the spiderball track featured in the movie at all.

To name but possibly a few.

But they discontiued the Prime Trilogy because they intended it to be a collecters edition. They planned on only making a few to begin with, that doesn't explain why they shouldn't make Metroid Prime 3 a player Select.

Metroid Prime isn't a rippoff of anything, I played it myself and aside from it being first person it is nothing like Halo.