Here’s some alternate looks that Spidey could have been sporting in Mark Webb’s The Amazing Spider-Man.
Alternate Amazing Spider-Man Suits by Eddie Yang
This is one thing I never really understand. I quite like the 1st and 3rd one but surely Eddie must have known they weren’t going to stray too far from the costume everyone’s familiar with.
Alternate Spidey Suitss by Jerad S. Marantz
These costumes are much closer to what we actually got on the big screen.
spidermanmorphcostumes 
