Kevin Feige had some comments on the the Multiverse phases:
"You know, we realized that it’s very different than Phase 1, 2, and 3. That there are more projects and less years and therefore, it didn’t seem right to culminate...we’re not gonna culminate every 10 months in an Avengers movie," the...
Definitely some X titles in there. And I’m sure between now and the end of 2026 there will be at least one more Spider-Man (though likely 2 more within that general timeframe.
I’m sure at least some of these will be announced later this year at D23
Initially I would have expected the same, but you can see that this second grand “3-phase saga” is being told within a tighter time frame than the Infinity Saga (11 years vs about 4 years), though with much more entries. So it makes sense considering that time frame.