Captain America Sentinel of Liberty #1

While the Nazi war machine marches on, President Roosevelt institutes a top-secret program, \"Project Rebirth\". In a secret lab, scientist Dr. Erskine gives army reject and volunteer Steve Rogers the Super-Soldier serum which turns him into a virtual superman. A Nazi spy murders Erskine before he can create an army of duplicates, but Rogers becomes the costumed Captain America, a symbol of freedom and justice. He soon goes undercover as a private at Camp LeHigh where he befriends orphan mascot Bucky Barnes. When Bucky discovers Steve's double-identity, he becomes Cap's partner.