I second Death Race, that would be amazing if done right. I stress the "if done right" part because almost every game movie and movie game I've seen is rather disappointing. Something like Oblivion would be cool, District 9 and Elysium are great examples of movies that should be games. Imagine running through the slums of South Africa shooting up prawns, or even better, vice versa. Destroying any man who gets in your way with the prawn's advanced technology. Elysium would make a great campaign for a futuristic FPS, especially with those awesome energy weapons. The Hobbit would be cool too, not a Lego version, but a full fledged Lord of The Rings style universe, preferably open world. I'm sure there are Lord of The Rings games already but I doubt they're great. Especially with games like Skyrim around.