<P> Captain America Comics # 1 -- cover - dated March 1941 and on sale December 20 , 1940 , a year before the attack on Pearl Harbor , but a full year into World War II -- showed the protagonist punching Nazi leader Adolf Hitler ; it sold nearly one million copies . While most readers responded favorably to the comic , some took objection . Simon noted , `` When the first issue came out we got a lot of ... threatening letters and hate mail . Some people really opposed what Cap stood for . '' The threats , which included menacing groups of people loitering out on the street outside of the offices , proved so serious that police protection was posted with New York Mayor Fiorello La Guardia personally contacting Simon and Kirby to give his support . </P>
<P> Captain America Comics # 1 -- cover - dated March 1941 and on sale December 20 , 1940 , a year before the attack on Pearl Harbor , but a full year into World War II -- showed the protagonist punching Nazi leader Adolf Hitler ; it sold nearly one million copies . While most readers responded favorably to the comic , some took objection . Simon noted , `` When the first issue came out we got a lot of ... threatening letters and hate mail . Some people really opposed what Cap stood for . '' The threats , which included menacing groups of people loitering out on the street outside of the offices , proved so serious that police protection was posted with New York Mayor Fiorello La Guardia personally contacting Simon and Kirby to give his support . </P>
when did the first captain america come out
when did the first captain america come out
December 20 , 1940
December 20 , 1940