The Dark Knight Trilogy: 18 Cool Behind-The-Scenes Details You Didn't Know
4. Bruce Wayne's Grave Was Digitally Altered To Prevent Spoilers From Leaking
Most filmmakers don't want their movies to be spoiled prior to release (obviously), but few will go to lengths like this to prevent leaks from happening.
At the end of The Dark Knight Rises, Alfred gives an emotional speech in front of Bruce's gravestone, believing that his young ward has died in an explosion.
Of course, the final moments of the film reveal that Bruce is alive and well, but even so, Nolan wanted to ensure that the details of the gravestone scene were kept a tightly-guarded secret. So, the crew built a special grave with the name "Miranda Tate" (Marion Cotillard's character in the film) written across it, which was used during filming in order to throw potential leakers off the scent.
That name was then changed to the correct name - Bruce Wayne - in post-production.
Furthermore, Nolan went as far as asking Christian Bale to come to the set while his own character's funeral was being filmed, an extra precaution to try and keep Bruce's "death" a secret.