The son of Zemo! Baron Helmut Zemo has taken up his father's villainous mantle and targeted Captain America in a complex plan of revenge! As Cap battles the existential threat of Everyman, Steve Rogers' childhood friend Arnie Roth resurfaces... but he's in deadly danger! Vermin strikes and Zemo's trap is sprung, but can Cap save Arnie from Zemo's clutches or will tragedy strike? Meanwhile, when Hydra crashes a reunion of the Howling Commandos, the aging heroes go to war once again! Cap's girlfriend Bernie Rosenthal makes a startling realisation! The Falcon struggles to reconcile his past and future! And the 1950s Bucky must rescue a brainwashed Cap from Viper's fangs! Plus, four Captain Americas are united across time but can even their combined power keep death at bay? Collecting: Vol. 10: Captain America (1968) 267-285, Captain America Annual (1971) 6, Defenders (1972) 106