Susan "Sue" Storm. Known as the Invisible Woman. A heroine and MILF who's seemingly lame power of invisibility and forcefields, were revealed to be the most powerful of the Fantastic Four. Now she had the most powerful force in the normal Marvel universe. The Infinity Stones, in or out of the Gauntlet.
However, there is more then the normal good nature woman and glue which holds the Fantastic Four together. There are darker elements which have come up from within her. Such as Malice, born of her rages, depression, and darkside. With a latex dominatrix theme to her. Or Empress HYDRA, the version of Sue who divorced Reed to take over HYDRA and the world. Wearing green latex this time instead of black.
Anyone of these Sue could have gotten the Infinity Stones, the Sue who got them was...