We all know what you've been thinking since you saw Rocket Raccoon and dancing Groot steal our hearts on the big screen: when can we take home Marvel's 'Guardians of the Galaxy' on Blu-ray and DVD, or even Digital Download? Just, when can we take this bad boy home, period? Well, you're in luck, because Marvel announced the home release dates for its superhero space opera. And guess what?! They come with an exclusive sneak peek at 'Avengers 2'!