 Naslund was killed in 1946 in the line of duty when he was crushed to death by a robot serving the android named Adam II while warning the rest of the All-Winners Squad of Adam II's attempt to kidnap or kill then-Congressional candidate John F. Kennedy in Boston.Naslund was succeeded as Captain America by Jeffrey Mace, formerly the superhero Patriot.Naslund was later brought through time by the Contemplator to battle an Adam II of an alternate world alongside the original Captain America, Jeffrey Mace, and the 1950s Captain America.