Fan Casting Bucky Barnes in MMU/2.: Captain America: The First Avenger (2009)

James Buchanan "Bucky" Barnes was the best friend of Steve Rogers while they growing up in Brooklyn. Unlike his friend he could join the army and went to Europe during WW II. Later he and his allies were captured by Red Skull and he was experiemented by Dr. Zola. His friend (now Captain America) freed him and after that they fought together. In the final battle with the Red Skull, Bucky climbed up the Skulls plane to help his friend, but he fell to his death.