Only half ice-based, but I would say that Todoroki Shouto from My Hero Academia / Boku No Hero Academia is a force to be reckoned with. His ice powers are specifically honed for battle and he can throw out massive attacks at the drop of a hat. read more
Elsa froze a country, Iceman created a global winter. He can make ice that is sharp enough to cut Thor, made it rain ice fists. Can turn his body into ice that when damaged can be reconstructed. read more
Tbh, the biggest thing we've seen Jack Frost do is to freeze an entire wave of black sand, but Elsa managed to freeze an entire continent(might be entire world). But then again, Jack Frost is an immortal, and Elsa isn't. read more
Emma Frost was specifically inspired by Emma Peel, played by actress Diana Rigg, who famously dons a provocative corset, collar, and boots and becomes the "Queen of Sin". After The Dark Phoenix saga, Emma Frost frequently appeared in other storylines in Uncanny X-Men and the original volume of the New Mutants alongside her Hellions. read more