@Gojira to answer your earlier question...footage is supposed to be shown during the "Man of Steel" panel. I'm guessing similar to what has been done before with "Thor" and "Captain America: First Avenger". Then we will most likely get the teaser trailer attached with "The Dark Knight Rises" next weekend.
Superman Homepage confirms the trailer will be attached with "The Dark Knight Rises" next weekend.
Thanks! I am hopeful that whatever they show at Comic-Con will be leaked early. If Not I can wait to see it with Batman.