Paramount is offering a sneak preview of the movie on tomorrow June 9th through 300 or so theaters (and IMAX locations). They are using twitter to promote this with the hashtag #Super8Secret. If go to here, you can find out a theatre near you that will be showing the movie on Thursday, June 9th. As part of this sneak preview promotion, participating theaters are offering free popcorn with concession purchase. With the preview twitter promotion is a six minute video from the movie that includes part of the train crash. There are also two shorter clips below.
Playing a Zombie