I think Byrne got the size difference between the Hulk and normal heroes about right. Substantially bigger, but not to such an extent that he looks goofy fighting them.
Check out his side by side with Bats and Wolvie, you can really see the proportions as intended.
Cool picture. Byrne has done some nice commission work over the years.
Classic Kingping was way shorter,maybe not even taller than Peter.
That made him an even scarier freak I suppose..
Kingpin is a great example. Originally he looked six foot tall at most, maybe less.
By the time of his OHOTMU entry in the '80s, he was listed at 6'7", and drawn about that tall by Frank Miller.
Some artists have taken alot of license with his sheer bulk as well; Erik Larsen's Kingpin looked like a human blimp.
His appearance was originally based on actor, Sydney Greenstreet, who was shorter than Humphrey Bogart.