This would subsequently be the final WrestleMania in which WWE was still owned and controlled by the McMahon family as on April 3, the day after the event, it was confirmed that the company had been sold to Endeavor.

The sale was finalized on September 12, with WWE merging with Ultimate Fighting Championship to become divisions of a new entity called TKO Group Holdings.

[11][12] Wrestling journalist Dave Meltzer reported that WWE had originally pushed for SoFi Stadium to host WrestleMania in 2022, so it could promote the event as having a larger overall attendance than Super Bowl LVI (which was held at the same venue in February of that year).

[15][16] California allowed outdoor stadiums to re-open to in-state visitors only beginning April 1, 2021, with capacity restricted based on case positivity in individual regions.

These passes included premier seating, a dedicated stadium entrance, premium hospitality offerings, and meet-and-greets with current WWE wrestlers and legends.

Rapper Lil Uzi Vert performed a portion of his song "Just Wanna Rock" prior to the main event of Night 1.

It featured the 1996–98 format of 12 players with the three highest scoring participants advancing to the Friday Finals, with the winning civilian earning a trip to WrestleMania.

[64] On the March 20 episode of Raw, The Usos accepted Owens and Zayn's challenge for a match at WrestleMania 39 for the Undisputed WWE Tag Team Championship.

It was then announced that the two would face each other the following week to determine the definitive number one contender,[63] however, that match ended in a no-contest after Imperium (Gunther, Ludwig Kaiser, and Giovanni Vinci) attacked both participants.

WWE official Adam Pearce then decided that Gunther would defend the championship against both McIntyre and Sheamus in a triple threat match at WrestleMania 39[64] on Night 2.

[55] Lynch and Lita then defeated Kai and Sky on the February 27 episode to win the WWE Women's Tag Team Championship, thanks to returning fellow Hall of Famer, Trish Stratus, who prevented Bayley from interfering.

[80] Edge continued his feud with The Judgment Day over the next few months, and he and his wife Beth Phoenix teamed up to defeat Bálor and Ripley at Elimination Chamber.

[82] No qualifying matches were held for the men's Showcase as all four teams were announced on March 20: Braun Strowman and Ricochet, The Viking Raiders (Erik and Ivar), The Street Profits (Angelo Dawkins and Montez Ford), and Alpha Academy (Chad Gable and Otis).

[80] Rey refused to fight his own son and was about to quit WWE, but he was convinced to stay, and he was traded to the SmackDown brand to avoid Judgment Day on Raw.

On the March 10 episode, after it was announced that Rey would be the first inductee into the WWE Hall of Fame Class of 2023, The Judgment Day interrupted and Dominik said his dad did not deserve the recognition.

[86] Lashley would win the match by disqualification[60] and on the following Raw, he said that no one, including Wyatt, could break his Hurt Lock submission and stated that everyone needed to show him respect or else he would put them down.

[31] Next, Braun Strowman and Ricochet, The Street Profits (Angelo Dawkins and Montez Ford), Alpha Academy (Chad Gable and Otis), and The Viking Raiders (Erik and Ivar, accompanied by Valhalla) competed in the fatal four-way Men's WrestleMania Showcase match.

[31] In the fourth match, Damage CTRL (Bayley, Dakota Kai, and Iyo Sky) faced off against Lita, Trish Stratus, and Becky Lynch.

Snoop Dogg then claimed that the only thing better than an attendance record is for Miz to compete in a match, just as Pat McAfee made his return in his first appearance since Royal Rumble 2023.

In the closing moments of the impromptu penultimate match, The Miz shoved San Francisco 49ers player George Kittle, who was a seated at ringside.

Owens performed the Stunner on Jimmy, and Zayn delivered one more Helluva Kick to Jey to win the titles and end The Usos' 622 day reign as SmackDown Tag Team Champions.

[30] Next was the Women's WrestleMania Showcase match contested between Ronda Rousey and Shayna Baszler, Natalya and Shotzi, Chelsea Green and Sonya Deville, and Liv Morgan and Raquel Rodriguez.

In an improvised moment,[92] Snoop Dogg then came into the ring, replacing McMahon, punching Miz twice and performing a People's Elbow to win the impromptu match.

[99] Wade Keller of Pro Wrestling Torch gave the Night 2 main event match 4.5 stars, stating, "What a story they told, and they had the crowd every step of the way".

[100] Shakiel Mahjouri of CBS Sports gave the match an A+ grade, calling it "a truly fantastic outing that had the crowd in the palm of the superstars' hands".

[110] Hours before WrestleMania 39 Night 2 began, CNBC reported via multiple sources that a deal between WWE and Endeavor, the parent company of Ultimate Fighting Championship (UFC), was imminent.

[120] Despite involvement from The Rock and Seth "Freakin" Rollins,[121][122] Rhodes defeated Reigns in a rematch in the main event of WrestleMania XL Night 2 to become the new Undisputed WWE Universal Champion.

After the match, Dominik's Judgment Day stablemate Damian Priest attacked Bad Bunny, who was seated at ringside, and chokeslammed him through an announce table.

[127] On April 17, a six-man tag team match pitting The Bloodline (The Usos and Sikoa) against Riddle, Zayn, and Owens was scheduled for Backlash.

[132] Also on SmackDown, The Brawling Brutes (Sheamus, Ridge Holland, and Butch) defeated Imperium (Intercontinental Champion Gunther, Ludwig Kaiser, and Giovanni Vinci) in a six-man tag team match.