Since I Am Legend has been out a long time, we don't still have to say spoiler alert, right? Anyway, the alternate ending included with the DVD release on March 18 goes in a totally different direction than the one you saw in theaters, one much more in line with the spirit of the book the movie was based on. Catch it before Warner Bros gets the lawyers involved!
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.