2. The Scene During The End Credits Was Spoiled Way Before
Why? Because the only important line in it appears in one of the official trailers that was released months before. To be exact, look at official trailer number three around the 1:20 mark. Sound familiar? Of course no one would have noticed seeing as how the film wasn't released at the time, but if you want to prove how much of a Spider-Man nerd you are, I have just given you a chunk of gold.