The following excerpt confirms some assumptions I've had about the politics of Silver Age Marvel.
So when someone asks what Captain America would have felt about some topic, the first question is, "Which Captain America?" If the character's been written by fifty writers, that makes fifty Captain Americas, more or less…some closely in sync with some others, some not. And even a given run of issues by one creator or team is not without its conflicts. When Jack was plotting and pencilling the comic and Stan Lee was scripting it, Stan would sometimes write dialogue that did not reflect what Jack had in mind. The two men occasionally had arguments so vehement that Jack's wife made him promise to refrain. As she told me, "For a long time, whenever he was about to take the train into town and go to Marvel, I told him, 'Remember…don't talk politics with Stan.' Neither one was about to change the other's mind, and Jack would just come home exasperated." (One of Stan's associates made the comment that he was stuck in the middle, vis-a-vis his two main collaborators. He was too liberal for Steve Ditko and too conservative for Kirby.)We've already been over Ditko's Randian views.
Jack's own politics were, like most Jewish men of his age who didn't own a big company, pretty much Liberal Democrat. He didn't like Richard Nixon and he really didn't like the rumblings in the early seventies of what would later be called "The Religious Right." At the same time, he thought Captain America represented a greater good than the advancement of Jack Kirby's worldview.
During the 1987 Iran-Contra hearings, Jack was outraged when Ollie North appeared before Congress and it wasn't just because North lied repeatedly or tried to justify illegal actions. Jack thought it was disgraceful that North wore his military uniform while testifying. The uniform, Jack said, belonged to every man and woman who had every worn it (including former Private First Class Jack Kirby) and North had no right to exploit it the way he did. I always thought that comment explained something about the way Kirby saw Captain America. Cap, obviously, should stand for the flag and the republic for which it stands but — like the flag — for all Americans, not merely those who wish to take the nation in some exclusionary direction.
I also knew that Lee, who is a bit of a revisionist, had overstated some of the progressive positions he had taken on issues like racism while downplaying the red-baiting and sexism. Marvel apologists have also tried to explain away the more reactionary aspects of these stories but they are pretty difficult to ignore and it appears that most of them can be credited to Lee. (Kirby never had Lee's gift for self-promotion or reinvention and he preferred to let his work speak for itself -- always a risky approach in a collaborative medium.)
For more thoughts on the subject, check out this piece by one of my favorite critics/pop historians, Bob Chipman (more from Chipman later).
You should note that the red-baiting version of the character was done by Lee with no involvement from Kirby.