Amazing Spider-Man #19: It's.... ASBESTOS!!! 34
Written By: Spidey's Godfather, Stan Lee
Illustrated By: Spidey's Big Daddy, Steve Ditko
Lettered By: S. Rosen (Spidey's Second Cousin On His Uncle's Side!)
Skipping through the majority of the issue, we reach a moment of ridiculousness that stands out in a fairly ridiculous comic. At the moment when the two teen heroes have the Sandman and the Enforcers on the verge of defeat, Johnny manages to get in the way of Spider-Man's web, and the two end up coated in it, unable to stop the villains from escaping.
We get the first confirmation that asbestos is an ingredient in Spider-Man's web, although it's unclear if he's using a variant for this fight or if his standard webbing has a highly toxic substance as part of the formula. I mean, this was before the founding of the EPA, so it certainly could be...
Check out our coverage of Amazing Spider-Man #19 on our thirty-seventh episode: Yes, Mr Lister, Sir!