This-n-that; a little crafting super cute super hero party plus her blog has great YW stuff
Spider Man Cake - I like the bottom two layers, take off the top layer and the action bubbles and top with a Spider Man toy.
Emhamed's spiderman-Cake and cakepops
round spiderman cake - Smash cake :)
Spider-Man Cake 4 yr b-day cake idea