The "Spider-Man" series is one of the highest grossing Marvel film franchises of all time, so a third sequel was inevitable. "Spider-Man 3" is definitely the darkest in the trilogy, and if you thought it was an ordinary day in the neighborhood for your friendly neighborhood Spider-Man.... think again. Something sinister drops into town in this third installment. And Peter Parker takes on some new enemies, while he takes on the little battles in life.