It seems like most MCU entries now are TT and or multiverses

Yeah all the multiverse stuff is going to feel hollow. We just did this in Endgame, all the nostalgia for the sake of nostalgia feels redundant and devoid of creativity. As you said, there are endless possibilities in terms of characters and storytelling opportunities, let's go in some new directions.

Save the rehashed stuff for the What If cartoon, that's a perfect spot for it.