If you're excited for 'Man of Steel' (and how can you not be), you're going to want to see this. It's the official 'Man of Steel' prequel that ties directly in to the upcoming movie. With a story by 'Man of Steel' writer David Goyer and director Zack Snyder, this doesn't feature much Superman but it does include a somewhat surprising lead character: Supergirl. Is this the start of a larger 'Man of Steel' universe? What hints does this hold for the movie? Let's find out!