As a subject matter expert on comic book characters, I can tell you that in the original comic book storylines, Peter Parker, also known as Spider-Man, does not have the biological ability to shoot webs. Instead, he uses an invention of his own creation, which is the web-shooters that he wears on his wrists. These devices allow him to extrude a specially formulated, web-like substance that he can use for various purposes, such as swinging from buildings or incapacitating enemies.

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Spider-Man's web-shooters were perhaps his most distinguishing trait, after his costume. Peter had reasoned that a spider (even a human one) needed a web. Since the radioactive spider-bite did not initially grant him the power to spin webs, he had instead found a way to produce them artificially.read more >>