Thundercats fans can attempt to win replica Sword of Omens at Comic-Con - Article Photos 1/4

This illustration provided by Marvel Comics shows the cover of the first issue of Captain America, created in 1941 to incarnate patriotic feeling during World War II. In the latest issue, which hits the stands Wednesday, March 7, 2007, Captain America is shot down by a sniper as he leaves a courthouse. (AP Photo/Marvel Comics) **NO SALES** ORG XMIT: NYR101