Breaking News On 'The Dark Knight': The Teaser Trailer And The Joker's Dossier

Lots of cool "Dark Knight" content revealed today. Over at WhySoSerious.com, the Joker seems to up to his usual tricks, posting cool clues about the upcoming Batman flick. Our friends at Warner Bros. claim they have nothing to do with the site, but clearly powerful forces are at work here.

The teaser trailer is up (if you can get into the site ... traffic must be awfully heavy) and nearly as cool, it's got a complete dossier on Batman's arch-nemesis. Check it out.