In a cross-promotional feat that should surprise no one, Warner Brothers has announced that they'll tack a teaser for Superman Returns on to this week's episode of The WB Network's young-Superman soap, Smallville, before going live online at the close of the episode. If you can wait it out, the teaser will also appear on "selected" prints of Harry Potter and the Goblet of Fire starting Friday. And who's distributing that little blockbuster-to-be? You guessed it. Kudos to Warner Brothers for letting no promotional vein go untapped.