The prologue of The Dark Knight Rises was shown before some IMAX screenings of Mission Impossible: Ghost Protocol. After many people complained about Bane's voice being difficult to understand, some changes were made before the film's release.
(Star Wars, Avengers)
A comparison of scenes from the trailer for the new "Total Recall" remake, and the original 1990 movie.
Click for full size!
(Star Wars, Star Trek)
Nemesis had a lot of problems, like too many to list here, but I have to admit Tom Hardy was pretty great.