9. Spider-Man 3 (2007)
There is something about superhero trilogies that make most people say 'they should stop at two'. Those people are Bryan Singer. Despite seeing his budget continually climb with each new edition of the franchise, the need to 'wow' the audience with new villains, new characters, new situations created no end of problems. Raimi and the internet have expressed frustrations over the weak script, the studio meddling and the overall feeling of having done this all before (and once again not being allowed to have Bruce Campbell in the starring role). Despite the anticipated visualization of Venom, the casting of Topher Grace as Eddie Brock was considered a miss by many who wished for a more comic-faithful rendition. So too with the Sandman and along with his ongoing difficulties with Harry Osborn, who has taken on the crazy mantle of his father, the Green Goblin, there was a lot of balls in the air for Raimi to try and juggle. Although still better than certain other trilogy finales (looking at you, Nolan), it left its own slew of messes.