So as announced, it's Raw champs vs. Smackdown champs and two traditional Survivor Series elimination matches. So, as of now...
WWE UNIVERSAL CHAMPION Brock Lesnar vs. WWE WORLD CHAMPION Jinder Mahal A.J. Styles
WWE RAW WOMYN'S CHAMPION Alexa Bliss vs. WWE SDL WIMMIN'S CHAMPION Natalya Charlotte Flair
WWE INTERCONTINENTAL CHAMPION The Miz vs. WWE UNITED STATES CHAMPION Baron Corbin
WWE RAW TAG TEAM CHAMPIONS The Shield The Bar vs. WWE SDL TAG TEAM CHAMPIONS The Usos
5 on 5 Men's Traditional Survivor Series Elimination Tag Team Match - Kurt Angle (c)/Braun Strowman/Jason Jordan HHH/Finn Balor/Samoa Joe vs. Shane McMahon (c)/Randy Orton/Shinsuke Nakamura/Bobby Roode/John Cena
5 on 5 Women's Traditional Survivor Series Elimination Tag Team Match - Alicia Fox (c)/Nia Jax/Asuka/Sasha Banks/Bayley vs. Becky Lynch (c)/Charlotte Flair Natalya/Naomi/Tamina/Carmella