SilverWook said:
And pay extra for something I can't currently use. ;)
I'm not sure why you're not getting this. The 2D copy that comes with the 3D set, which you can currently use, DOESN'T have the green tint. The 2D-only version has green tint.
Edit: Version with green tint (2D):
http://www.blu-ray.com/movies/Guardians-of-the-Galaxy-Blu-ray/109831/
Version that includes a 2D copy that you can use and without green tint:
http://www.blu-ray.com/movies/Guardians-of-the-Galaxy-3D-Blu-ray/79118/