<P> In volume four of Amazing Spider - Man, Spider - Man develops several new forms of "specialty webbing". Among these are micro-coiled z - metal webbing (which he refers to as "bug zappers") which electrocute his targets, expanding web foam for cushioning impacts, acid webbing, and highly durable concrete webbing . </P> <P> In the "Disassembled" storyline, Parker undergoes a transformation that results in the ability to produce organic web fluid from his wrists, and is able to fire his webbing in much the same manner as his artificial web - shooters . According to the new 2007 Spider - Man handbook, Parker has grown spinnerets in his forearms that terminate in small pores at the junction of his wrists . By pressing down with his middle fingers to his palm, he causes the pores to open and the spinnerets to eject the organic fluid with a force equal to or greater than that of his web - shooters . The effectiveness and amount of the new webbing is dependent upon his health and nutrition . The specific properties of this new organic webbing are unknown, but it can be safely assumed to be comparable to his artificially created web mixture . In some cases, it has shown to be of greater tensile strength and elasticity . Furthermore, according to the new handbook, the organic webbing takes a week to dissolve . After gaining this ability, he begins using the bio-webbing instead of his traditional mechanical web - shooters . The upper limit as to how much webbing he could produce at any one time has not been specified, though during Part 1 of the "One More Day" storyline, Peter actually produced enough webbing to immobilize and smother Iron Man's armor . In the subsequent "Brand New Day" storyline, Peter is shown to have his traditional web - shooters and appears to have lost the ability to create organic webbing, for reasons that have yet to be revealed . </P> <P> Instead of having mechanical webshooters in the Sam Raimi Spider - Man films, Spider - Man grows spinnerets in his forearms, along with his other powers, although the film's novelization states that Peter made bracelets similar to the comic web shooters to help him aim his shots . In the Marc Webb films and the Marvel Cinematic Universe, Peter creates artificial webshooters, as in the comics . </P> <P> One biologist on the History Channel's Spider - Man Tech suggested that it would be more plausible for Spider - Man to shoot webbing from the Submandibular gland beneath the tongue instead of from his forearms . </P>

How does spiderman shoot webs in the new movie
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