Superhero films would be improved a thousandfold if only they'd stop having each and every plot revolve around some large-scale, city-or-world spanning crisis. Smaller, low-key storylines have worked well for the comics, so why can't they work just as well for the movies?
Why can't Batman just go after a gimmickless serial killer who stalks high school cheerleaders instead of some world-spanning terrorist organization trying to blow up Gotham? Why can't Spider-Man just try to help a poor woman escape prostitution and her abusive pimp instead of trading punches with Doctor Octopus or the Green Goblin? Why can't Superman just travel to some out-of-the-way town and put some corrupt oil tycoon and his thugs in their place instead of stopping rogue Kryptonians from conquering the planet? And the list goes on ...