“But they have already turned 40ish Reed Richards, seasoned and serious, into a snarky 18 yo, and turned Sue Storm into an adopted sibling and daughter.”
Fox version which were horrible. Possibly the most embarrassing superhero movies of all time. I fully expect Kevin Feige to resurrect them.
I understand your point. My point is that Phase 4 has already been heralded as, The Future Is Female, with attendant, obligatory so-called Diversity.
Marvel has the talent to do it right, but I think they lack the desire to do it right. They are Disney. Look at what Disney has done to Star Wars.