Tobey Maguire's 'Spider-Man' is a classic, even though it's one of the more under-appreciated superhero films

Director Sam Raimi's "Spider-Man" starring Tobey Maguire is one of the more under-appreciated superhero films. But it's a classic right up there with Christopher Nolan's Batman and Jon Favreau's Iron Man. Here's how Raimi revolutionized the genre with a single sentence: "With great power comes great responsibility."