CS
When Bryan Singer's original X-Men hit theaters in 2000, the fan response was somewhat mixed to the lack of some of the characters' iconic costumes, opting instead for matching black leather uniforms. James Marsden's Cyclops even offers the in-joke to Wolverine at one point, "What would you prefer? Yellow spandex?"
I actually would really have much preferred they were in something a little more classic in appearance tot he black leather. Maybe not Spandex but definitely something that hearkened back to the costumes of the comic books and cartoons.