He only comes out when it's warm.

Spider-Man accomplishes 97% of his super-heroic acts outdoors -- web-swinging is completely dependent on very tall buildings, construction sites, and the occasional lingering news chopper.

So, when it's dark, chilly, freezing, raining, snowing or sleeting, Spider-Man refrains from roof-hopping and takes a bus to Oscorp's latest lab accident.

Much like Spider-Man's propensity to remain indoors (or relatively unseen) in colder (or simply more tepid) environments, our Spider-Man Web Slinger 20oz Heat Changing Mug is shy one very important web-slinger.
 
Yes, the only graphic layering this black, glazed, and ceramic Spider-Man mug is a subtly red and blue web. 

But then you filled it with coffee, and Spider-Man became...more accessible.

Yes, this heat-reactive (aka, "heat-changing") Spider-Man mug reveals a stunning graphic after filling said mug with warmer beverages like coffee, tea, milk, soup, and melted soup-like ice cream!

Made from solid ceramic, this massive 20oz mug features a striking graphic of Spider-Man. And yes, he's swinging.

• Hand wash only.
• Do not microwave.