Appearing in theaters this weekend with the release of The Dark Knight Rises, Warner Bros. has now released two slightly altered versions of the Man of Steel teaser trailer online. Watch as director Zack Snyder brings Superman back to life with this all-new superhero origin story, starring Henry Cavill as Clark Kent. The first trailer is narrated by Pa Kent (Kevin Costner), the second trailer is narrated by Jor-El (Russell Crowe).