Giganta is a fictional character appearing in DC Comics publications and related media, commonly as an adversary of the super hero Wonder Woman, and an occasional foil for the super hero the Atom. She possesses the superhuman ability to increase her physical size and mass, effectively transforming into a giantess.
Various Marvel, DC, Image, Valiant, Dark Horse, Dynamite, etc. characters you want to see make live-action appearances, or if they have already appeared in one universe, want to see them in another universe.