Could Hela from Thor: Ragnarok be the best Marvel villain since Loki?

The first Thor: Ragnarok trailer landed today, and it already looks like the most fun Marvel production since, well, the last fun Marvel production we got a close look at. Between this, Spider-Man: Homecoming, and Guardians of the Galaxy Vol. 2, Marvel Studios is promising a year that breaks away from the sad introspection of previous superhero movies.
But despite that more colorful aesthetic, what stands out most to me is Cate Blanchett slaying everything in sight. Even though her character Hel