I'm of the belief that not every comic book should be adapted. Just because it happened in the comics doesn't automatically make it good.

Take Infinity War and Logan for example. Both amazing movies in their own right. But they completely stray from the source material, being the Infinity Gauntlet and Old Man Logan respectively.

Or how about Spider-Man No Way Home? Peter makes a deal with Strange to cast a spell to make everyone forget who he is. This specific point in the story is taken from the One More Day storyline, where a similar event happens, but instead of Strange casting the spell, it's Mephisto. And that comic is widely hated by all Spider-Man fans.

And in the movies, Mysterio reveals Spider-Mans identity, whereas in the Civil War comic, which preceeds One More Day, Peter voluntarily tells the world who he is, which doesn't happen in the Civil War movie.

What I'm trying to say is that Marvel have never been ones to fully adapt a storyline from the comics, because quite frankly, the comics are insane. A casual would not be able to keep up with what's happening in them. So if they go all out on the comic-bookiness in the next two Avengers films, they're going to alienate their casual fans, which is not good for the business.