True, but I'm not sure how much the general audience knows about all that. Most likely they see the opening Marvel title, and hear the references to the Marvel movies, and expect to eventually see some of that world in this show at some point.
But "the general audience" are not comic/superhero fans. They're the people who are skeptical of superhero stories and need to have those stories tailored and rationalized and toned down for their benefit. They're the people who
want their television shows to be familiar and formulaic, the people who are responsible for the domination of the airwaves with standardized procedurals because that's what they like to see. Marvel has done a pretty good job with outreach to that audience in recent years, making the superhero universe accessible and acceptable to them, but that doesn't mean that audience
craves the more fanciful and colorful elements of superhero fiction the way we genre fans do.
It's always important to remember that there are different audiences out there with different tastes. When doing a show like this, the goal is not to cater to any single audience -- especially not a niche audience -- but rather to find a way to appeal to more than one audience at once, to do something that has the niche appeal to satisfy the genre fanbase while simultaneously being grounded and familiar enough that it doesn't scare off the more general audience. That's a difficult balance to achieve, and it's certainly possible to tilt too far in one direction or the other. But it's necessary to keep both audiences in mind.
The whole idea behind the diversity of the MCU is that they're not narrowcasting. They're consciously choosing to diversify the Marvel brand as much as possible. They want their different films to attract different audiences. The last thing they want is for everything they make to appeal to exactly the same demographic with no variation. It's fine if this show appeals to a different audience than the movies do, because that way the overall reach of the franchise gets even larger. If it only appealed to the people who were already fans of the movies, then it would be redundant. I hear people complaining that the show isn't the same as the movies, but
it isn't supposed to be. The whole point is to complement them, to go in a different direction.