During that same video, Whitehall revealed that the winner of Double or Nothing's Buy In pre-show battle royal, called the Casino Battle Royale, would face the winner of the PPV's main event at a future date to determine the inaugural AEW World Champion.

[6] At Double or Nothing, the pre-show Casino Battle Royale was won by "Hangman" Adam Page,[7] while Chris Jericho defeated Kenny Omega in the PPV's main event, setting up the inaugural championship match.

During the event, pro-wrestling veteran Bret Hart unveiled the AEW World Championship belt.

[10] The following day, it was reported by Tallahassee Police that the physical championship belt was stolen from Jericho's limousine while he was traveling;[11] it was recovered on September 4.

[12] On the June 3, 2022, episode of Rampage, reigning champion CM Punk, who had won the title just days prior at Double or Nothing, announced that he was injured and required surgery.

[19] During the All Out post-event media scrum on September 5, CM Punk, who had just won his second AEW World Championship at the event, got into a legitimate physical altercation backstage with AEW executive vice presidents The Elite (Kenny Omega, Matt Jackson, and Nick Jackson), following berating comments he had made about them and others during the scrum.

Tournament competitors included Bryan Danielson, "Hangman" Adam Page, Sammy Guevara, Darby Allin, Chris Jericho, and Jon Moxley.

[21] In the tournament final at Grand Slam, Moxley defeated Danielson to win the championship for a record third time.

[23] The following month, Punk unveiled the contents of the bag to be the AEW World Championship belt that he had won at the 2022 All Out.

[25][26][27] However, following a legitimate backstage incident that occurred at All In on August 27, Punk's contract was terminated and the "Real World Championship" was subsequently dropped.

On the November 30, 2022, episode of Dynamite, reigning champion MJF, who had won the title at Full Gear on November 19, discarded the standard AEW World Championship belt, calling it trash, and unveiled his own custom version, which he dubbed the "Big Burberry Belt", or Triple-B for short.

[31][32] On December 29, 2023, after the Clemson Tigers football team of Clemson University won the TaxSlayer Gator Bowl, AEW president Tony Khan presented the team's head coach, Dabo Swinney, with a custom AEW World Championship belt.