It says it's going to save Marvel's slump - it can't, in itself, make other Marvel movies better. Marvel need to focus on telling a great story first and building the universe as an added extra (if at all). That's how the early MCU films worked and they were successful but after Endgame they reversed it.
If they think it’s going to make marvel movies must-see again, I think they’re mistaken.
It says it's going to save Marvel's slump - it can't, in itself, make other Marvel movies better. Marvel need to focus on telling a great story first and building the universe as an added extra (if at all). That's how the early MCU films worked and they were successful but after Endgame they reversed it.