Spider-Man's webbing requires air to become adhesive, as discussed here. Yet in the latest Spider-Man comic he manages to use his magnetic webbing in a vacuum. How much 'air' does he need? Was the vacuum from opening to space not 'hard'?

2 Answers 2


My guess here is two-fold:

  • Magnetic webbing provides a force by which to assist in the propelling (rather pulling) of webs to an intended target, and
  • The targets on which he uses his magnetic webbing (octobot zombies) contain magnetic material.

From Food for Thought: The Empty Calories of Amazing Spider-Man #681, Spider-Man says:

I switched to my magnetic web cartridges. If I aim it right, it should attach to the octobots on all the crew.

Spider-Man's magnetic web cartridges

  • But that avoids the fact the webbing doesn't work without air...
    – AncientSwordRage
    Mar 28, 2012 at 22:05
  • 2
    @Pureferret - The adhesive nature of webbing becomes unimportant when it's replaced with another compelling force, like a strong magnetic one. Obviously won't help against non-magnetic materials though.
    – Josh
    Mar 28, 2012 at 22:35

For a while Spider-Man had cosmic powers. This came from an alien symbiote that replaced his red suit. (The suit that became Venom after it was rejected but that is an answer to a different question)

The alien suit meant Spider-Man no longer required webshooters or cartridges to produce webbing. It also provided Spider-Man with some special abilities that allowed him to travel through space and use his powers.

  • Spider-Man's cosmic powers had nothing to do with the alien symbiote/black costume.The short period of time when he had cosmic powers were due to the Captain Universe force, prepping him for a major threat to Earth.
    – RDFozz
    Sep 22, 2018 at 17:56

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