A nice bit of foreshadowing can make any movie even more fascinating to watch. These subtle clues about events yet to come will often go over the heads of the audience the first time around, but can be exciting to notice upon a rewatch. After all, these brief moments can prove that the filmmakers knew exactly what they were doing all along, having thought about exactly how the film would end from the moment it started.

Some iconic movies, however, take this idea even further. Every once in a while, a film is made that subtly reveals key details of the ending within the very first sequence. A carefully constructed opening scene has the ability to hint at where the film may be heading, even if viewers don't realize that it is all being laid out right in front of them. While they may be overlooked on their first viewing,...