Though preceded as a "patriotically themed superhero" by MLJ's The Shield, Captain America immediately became the most prominent and enduring of that wave of superheroes introduced in American comic books prior to and during World War II, as evidenced by the unusual move at the time of premiering the character in his own title instead of an anthology title first.This popularity drew the attention and a complaint from MLJ that the character's triangular shield too closely resembled the chest symbol of their Shield character.Then he tightened up the penciled drawings, adding detailed backgrounds, faces and figures.Simon said Captain America was a consciously political creation; he and Kirby were morally repulsed by the actions of Nazi Germany in the years leading up to the United States' involvement in World War II and felt war was inevitable: "The opponents to the war were all quite well organized.The two Als were eager to join in on the new Captain America book, but Jack Kirby was visibly upset. "It's just a matter of a quick deadline for the first issue." "I'll make the deadline," Jack promised."I'll pencil it [all] myself and make the deadline." I hadn't expected this kind of reaction ...but I acceded to Kirby's wishes and, it turned out, was lucky that I did.There might have been two Als, but there was only one Jack Kirby ...
Fortunately the internet allows us to be alone together, and share situations that are relatable in an attempt to dissuade us from feeling the dreaded loneliness of our ancestors.We wanted to have our say too." While most readers responded favorably to the comic, some took objection.Simon noted, "When the first issue came out we got a lot of ... 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.Since Marvel Comics revived the character in 1964, Captain America has remained in publication.
The character wears a costume bearing an American flag motif, and he utilizes a nearly indestructible shield which he throws as a projectile.
In response, Goodman had Simon and Kirby create a distinctive round shield for issue 2, which went on to become an iconic element of the character.