Let's get this started
Honurable Mention: Iron Man, Cap America: first Avenger, TASM 2, Man of Steel, Kick Ass, X-2, Batman Returns, Watchmen
10. X-Men First Class- brought the franchise back to its former glory
9. Superman- one of the first CBMS and still one of the best
8. Batman(1989) Michael Keaton was great as Batman, Nicholson as the Joker was Phenomanal
7. The Amazing Spider-Man- I really enjoyed it. A good origin.
6. Captain America: the Winter Soldier: all out great movie
5. Guardians of the galaxy: funny, action packed. Awesome movie
4. Spider-Man(2002) A classic. Will be remembered forever. Tobey was a great Peter, the enviornments were great. Fantastic tone.
3. Spider-Man 2 (2004)- continued from #4, great tone. Captured the essance of Spidey perfectly.
2. The Avengers- First ensamble of a team of Superheroes. Fun, Fantastic
1 The Dark Knight trilogy- i know this is cheating. I didn't want to scramble these all over the list.