Just the info that's out there already - Sandman, Venom are in it. Gwen Stacy & Captain Stacy are in it. He is supposed to wear a black & white version of his suit in the movie, too.
There will be a teaser for it running with 'Superman Returns' and I read what purports to be a shot by shot description of it, and it features Sandman in action, as well as maybe a new Green Goblin, but nobody can verify it so wait until wednesday the 28th to be sure.
Yeah, Sandman is played by Thomas Hayden Church and Venom is played by Topher Grace.
I've been looking forward to "Superman" for a while now so that's added excitement as far as I'm concerned.