Summer wouldn't be complete without superheroes, comic book adaptations and sequels. All three go hand-in-hand, especially because many of this summer's superhero films are sequels like The Amazing Spider-Man 2, X-Men: Days of Future Past and Sin City: A Dame To Kill For. Then there are other sequels that aren't necessarily based on comic books like Michael Bay's Transformers: Age of Extinction and The Purge: Anarchy