So much so silly and so sexist, and yet glimmers of brilliance. The original team as some pretty nonsensical bouts with the likes of Kang, Mole Man, the Red Ghost and, in his debut appearance, Count Nefaria, master of the international crime syndicate the Maggia, before a final showdown with the Masters of Evil sort of, but not really, precipitates their departure from the team. There are a lot of assertions that "We're not disbanding, merely taking a leave of absence!" and pains are taken to make it seem like there's some organizational structure to this thing called "the Avengers" to allow for some continuity, but the various heroes' claims that they need some time off are rendered laughable by the fact that they keep having super-adventures in their own titles, while the easy recruitment of reformed villains Hawkeye, Quicksilver and the Scarlet Witch makes no sense whatsoever. The latter two were involved in a terrorist plot to subjugate a nation not too long ago, while Hawkeye has been besmirched by the all-dreaded commies! It's times like these I wish for a little more finesse in these early stories; if the Avengers had been chartered as a proving ground for repentant defectors under the trusted tutelage of Nazi-smashing legend Captain America, I could buy it, along with the squabbling that follows the new squad's formation. But it's just the usual cartoony, flimsy plot developments where suddenly these three villains enjoy at least a modicum of public support. (Later retcons do try to fill in the gaps a little bit.)
That said, the squabbles do impart a vivacity to the stories that were largely missing from the genteel interactions of the original lineup. Oh, there was an amusing stab at internecine tension a few issues earlier when the team laughed off Giant-Man's warnings from his ant friends, but for the most part those days were all "How now, Avenger!" and "Well met, Avenger!" and "Make me a sandwich, little partner!" Hawkeye and Quicksilver's hot-headedness echoes the dynamic of the Fantastic Four at its best, and Wanda's partiality toward her brother makes more sense than the Wasp's flirtatious fawnings. (However, I would kill if, just for a moment, Wanda's observations of Clint and Pietro's jockeying for leadership turned toward the consideration that maybe *she* should be in charge of all these bickering boys.)
Cap's short temper is a little harder to square with the character he'd become, and even to an extent with the character we'd seen since his awakening from the ice. I'm willing to put it down as an expression of his overall personal stresses, which are otherwise quite well depicted--he's shown as painfully aware of his lack of a real life outside his role as super-hero, and his loneliness and desire for an additional purpose to fill the void are quite affecting. His pining for a response from Nick Fury is a little much, but sort of cute at the same time, and ends up having significance to one issue's plot, so that's something.
Backing up a minute--this collection contains the famous issue in which Cap confronts his old WWII-era enemy Baron Zemo, resulting in the latter's death (albeit accidentally, and at his own hand). I'd never realized before how inconsequentially this watershed moment plays out; most of the issue in question, #15, is set-up and then the first half of a big brawl between the Avengers of Masters of Evil. Cap and Rick Jones' odyssey to South America is brief and Zemo's demise completely rushed. Also, from some of the blurbs in that issue and maybe the next, it seems like Stan decided to kill Zemo off in response to fan demands for a more "final" end to some character, sometime. An uncharacteristically bloodthirsty way for a silver age Marvel mag to go!
The less said about the Commissar, the better, but I'd be remiss not to mention the two-part story that closes out this collection. It's main attribute is that it introduces the Swordsman, who's not much on his own but who will go on to play fairly significant supporting roles in some key epics down the line; plus, despite being a retread of the Wonder Man intro--villain manipulates stooge into joining the Avengers, stooge regrets it and tries to rebel--there's a little bit of real pathos to Swordy's feelings about serving with the team. This two-parter also begins filling in Hawkeye's backstory, establishing him as an orphan who was trained in a traveling carnival, and continues developing Cap's lonely man-out-of-time persona. There's also a great sequence that shows how well this supposedly under-powered squad works as a unit, even when they're squabbling.
Best of all, the Scarlet Witch isn't depicted as at all man-crazy, and her powers, while completely incomprehensible, and quite useful and formidable!