Darth Plagueis could have a role in The Acolyte given the timeline lining up, making his appearance more likely than Bane's.

The modern Star Wars canon may have already provided a way to introduce a new version of the iconic character Mara Jade to ...

Much of that comes from author Drew Karpshyn. Karpshyn has proven himself as one of the best Star Wars creators out there. His Bane trilogy went into detail on the character, creating the best parts.