I helped a friend with this Superhero cake for her son's birthday party.  It was a two tier cake covered and decorated with fondant.  Black icing was used for the web.  The top is a foam Hulk hand (a little hack since I'm not that good with shaped cakes and fondant!).  I cut and peeled back the red fondant to give the appearance of the hand breaking through the top of the cake.

And here was our superhero themed gift to the birthday boy….