This month saw seven volumes of My Hero Academia claiming slots while new volumes of One-Punch Man and Dragon Ball Super did well.
The backlist also saw a surge in Demon Slayer and we may be seeing later volumes going on the upswing as well.
The latest rankings have come in from NPD BookScan via ICv2 showing what the top twenty graphic novels in general were for the adult market in December 2019.
On the superhero side, Watchmen continues its evergreen-ness for DC Comics while Marvel Comics has House of X / Powers of X charting in hardcover.