Since this web site has a specific purpose (to catalog all of the different-looking costumes Spider-Men and their clones have worn), I have determined that these do not count as costume changes:
Webbing covering wounds and/or openings on costume
Wounds or openings on costume
All of those dang action figures
Web or no web armpits for every costume
Unintended costume variations
Eye size
Minor chest-spider variations
Mistakes on artist’s part (i.e. colors wrong, no spider, etc.)
Hats and headgear worn by Spidey
Eye Color (Silver or white are most common)
Foreign substance smeared or splattered on him
People impersonating Spider-Man without modifying the costume
Covers of comic books where the costume does not appear in-continuity with anything, even if it’s Earth-2312359871234987
For alternate realities, the character should either have the identity Peter-Parker (clones listed on a separate page) or go by the name “Spider-Man”
I am aware not all of the costumes follow all of these rules
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