Just because Creative Assembly are working on a new Total War game doesn’t mean they’ve given up on the last one – Empire – as a new expansion for the game is due next month.
https://kotaku.com/sega-announce-new-total-war-title-5340549
It’s called “Warpath”, and is focused on North America, and the conflict between Native Americans and European powers. It includes an all-new campaign, five new factions (Iroquois, Huron, Plains, Pueblo and Cherokee) and some new tech as well.
In addition to the expansion, a patch for the game will be released later today, which not only fixes a few bugs but also adds two new historical battles, Rossbach and Fontenoy.