Buckle in. Strap on your crash helmet. Have the fire extinguisher handy. You're about to see 50 movie trailers in 3 1/2 minutes, all mashed up into one ubertrailer. It's the action movie you'll never see, but that's OK: You wouldn't survive watching it anyway. The adrenaline rush would kill you.
YouTube user vadoskincheg, who created the video, included title cards in the first few seconds to let us know what we're seeing.
Included in the video are: Underworld: Rise of the Lycans, The Lightning Thief, Babylon A.D., Knowing, Sherlock Holmes, Death Race, The Uninvited, Max Payne, The Fast and the Furious, G.I. Joe: The Rise of Cobra, Midnight Meat Train, Quarantine, 2012, Ninja Assasin, New Moon, Whiteout, Final Destination, Daybreakers, Race to Witch Mountain, Moon, Inglourious Basterds, The Box, Obsessed, Friday the 13th, Star Trek, Terminator Salvation, Transformers: Revenge of the Fallen, Harry Potter and the Half-Blood Prince, Watchmen, Dragonball, The Spirit, Carriers, Bangkok Dangerous, District 9, Surrogate, The Book of Eli, Mirrors, The Happening, Fighting, The Road, Angels & Demons, Jennifer's Body, The Day the Earth Stood Still, Pineapple Express, The Last House on the Left, The Haunting in Connecticut, Shutter Island, Sorority Row and two (we think) Russian films we couldn't identify.