Army of the Dead, the highly-anticipated zombie heist movie from Zack Snyder, is coming to Netflix on May 21, but you can watch part of it right now!The streaming giant has made the wait more bearable by releasing the first 15 minutes of the film early (which might make the wait worse depending on what you think of the preview, but that's the gamble you take). Watch the gruesome opening scenes of Zack Snyder's zombie epic by clicking through on this Netflix exclusive video below. Note that it's