Before I lost interest in Marvel movies altogether, I used to get annoyed at how they would show these little glimmers of creativity, only to then crush them under the boot of The Marvel Formula.
The most interesting parts of the early Marvel movies weren't the super powers or special effects, it was the little notes they gave to their protagonists to humanize them -- Tony Stark as a selfish alcoholic, Thor as a cheerfully oblivious fish out of water, Captain America as earnest but painfully naïve. They seemed to be opening up the possibility of superhero stories that were also human stories, rather than just the kind of juvenile power fantasies Moore is decrying here. But each movie would eventually put that stuff aside and build to yet another Epic Battle as climax, which was disappointing.
In retrospect, it's pretty obvious that the stuff that I found appealing was the result of Marvel, still finding its feet, allowing its filmmakers to doodle in the margins of their studio-approved blueprint a bit. Once the movies took off and the Marvel Formula was proven, they no longer needed to allow space for such divergence from the formula. So we get movies like the Avengers entries, where the entire story is just moving chess pieces around to get them into place for the inevitable Epic Battle.
The Marvel movie I always wanted to see was one that put the Epic Battles aside completely, and focused 100% on telling a character-driven story. Something like the Matt Fraction Hawkeye comics, where the point of the story is deepening our understanding of this one character, grounding him in the context of the brownstone he lives in, the ways he interacts with his neighbors, and their common problem of potentially losing their homes to an aggressive developer. Human-scale stories about human beings.
In other words, I didn't want Avengers: Endgame, I wanted My Dinner with Ultron. But once the Marvel juggernaut picked up enough steam, that was exactly the movie I was never going to get.