Re: Characters you'd like to see in future Avengers movies?
Or: they could introduce Scarlet Witch into the MCU to do Scarlet Witch-y things, to take her rightful place in the Avenger pantheon. And introduce Enchantress into the MCU to do Enchantress-y things, to take her rightful place in the Thor rogues' gallery. Like Stan 'n' Jack intended.
THE COTTON AVENGERS
...They move like slick cotton on oil.