As of now, unless anything changes, Roman Reigns is penciled in to face The Rock for the Undisputed WWE Universal Championship at Wrestlemania 39.
Sami Zayn and Kevin Owens are almost certain to challenge The Usos for the Undisputed Tag-Team Championships at Wrestlemania 39.
Steve Austin is most likely going to compete in his second consecutive Wrestlemania this year. His potential opponents include Austin Theory and Baron Corbin.
Rhea Ripley and Becky Lynch will battle for the Raw Women's Title at Wrestlemania 39. As we know, Lynch vs. Rousey is now off the cards, after The Man herself claimed that their supposed clash has now lost it's lustre.
Bianca Belair and Charlotte Flair are supposedly set for the SmackDown Women's Championship at Mania. The EST is being considered to drop the Raw Women's Title at Elimination Chamber probably. This could either see Becky Lynch or Rhea Ripley being the new Raw Women's Champion heading into Los Angeles.
Wrestlemania 39 could most likely end up being the last one for the Rated-R Superstar. However, there's some internal push to get him through Wrestlemania 40 in 2024. Reportedly, this will solely depend over how Edge feels at that juncture.
WWE is considering Braun Strowman as the one to dethrone Gunther for the Intercontinental Title. However, The Ring General is also rumored to face Brock Lesnar at Wrestlemania 39.
There has been some recent talks of reforming The Hurt Business. However, this time could add Omos to the mix as well. Also, Lashley vs. Lesnar III is being decided to move to Wrestlemania 39.