Have these trading cards that are 1993 return of superman and can't find out much they are worth. I did find a couple of the cards and they seem they might be worth a little

Check this 1993 Superman Returns Skybox Trading Card (http://www.ebay.com/itm/Return-Superman-Foil-Insert-Set-4-Cards-/390062927663?pt=LH_DefaultDomain_0&hash=item5ad18fef2f#ht_500wt_1156) set on eBay. The buy now price is $44.99.