“After a civilization is all but wiped out by a comet, evil forces take advantage of the weak. A powerful woman fights back for the sake of the vulnerable.”
https://www.imdb.com/title/tt0232098/?ref_=ext_shr_lnk
Free w/ ads https://tubitv.com/movies/506269/battle-queen-2020
Got strong “Scorcher VI: Global Meltdown” vibes from the trailer.