There will be a Mawtribes faction focus this week, yeah.
Last years Spiel preview wasn’t big. Underworlds warband and blood bowl team, and a board game. That said, most of the previews this year seem to have had more than I expected based on last years. I think it’s going to be boxed game stuff though, not AoS/40k. https://www.warhammer-community.com/2018/10/26/26th-oct-revealed-at-spielgw-homepage-post-1/