In other prominent matches, Will Ospreay defeated Kenny Omega to win the IWGP United States Heavyweight Championship, The Elite ("Hangman" Adam Page, Matt Jackson, and Nick Jackson), Eddie Kingston, and Tomohiro Ishii defeated Blackpool Combat Club (Jon Moxley, Wheeler Yuta, and Claudio Castagnoli), Konosuke Takeshita, and Shota Umino in a 10-man tag team match, Sanada defeated "Jungle Boy" Jack Perry to retain the IWGP World Heavyweight Championship, and in the opening bout, MJF defeated Hiroshi Tanahashi to retain the AEW World Championship.

[3] After a year of AEW and NJPW wrestlers appearing on each other's shows, the two companies co-promoted a pay-per-view (PPV) event titled Forbidden Door in June 2022.

Prior to its acquisition by Tony Khan, sibling promotion Ring of Honor co-promoted two Global Wars events with NJPW in 2014 and 2015; both of which were held in Toronto and aired live on internet pay-per-view (iPPV).

Forbidden Door featured professional wrestling matches that involved different wrestlers from pre-existing scripted feuds and storylines.

[8] On the April 26 episode of Dynamite, AEW president Tony Khan announced that tournament matches for the second annual Owen Hart Cup would occur at Forbidden Door.

[9] On the June 21 episode, the brackets were revealed, with two matches to be held during the PPV: ROH Women's World Champion Athena facing Billie Starkz in the women's tournament during the pre-show and CM Punk facing Satoshi Kojima in the men's tournament, marking Punk's first appearance on an AEW PPV since All Out, where he main evented before being involved in the legitimate backstage fight.

[10] At NJPW's Wrestle Kingdom 17, Kenny Omega defeated Will Ospreay to win the IWGP United States Heavyweight Championship.

[11] In April, NJPW announced a tournament to determine the new Number 1 contender to Omega's championship, featuring Ospreay, Lance Archer, Juice Robinson, and Hiroshi Tanahashi.

[17] At Dominion 6.4 in Osaka-jo Hall, Blackpool Combat Club's (BCC) Jon Moxley and Claudio Castagnoli teamed with Moxley's protege Shota Umino to face Kazuchika Okada, Hiroshi Tanahashi, and Tomohiro Ishii for the NEVER Openweight 6-Man Tag Team Championship, but failed to win the titles.

Okada responded by claiming that the "forbidden door" would be open, teasing the match taking place at the PPV.

[16] On June 6, NJPW held a press conference where Okada accepted Danielson's challenge for Forbidden Door, making the match official.

[18][19] The rumours were proven true on the June 14 episode of Dynamite, where Sanada appeared via a video message issuing an open challenge for his title at the PPV.

Later on the show, the offer was accepted by "Jungle Boy" Jack Perry, who asked for his tag team partner Hook to be in his corner for the match.

[21] On the June 14 episode of Dynamite, NJPW's Hiroshi Tanahashi challenged AEW World Champion MJF to a title match at Forbidden Door via a video message.

[20] Despite this, on the June 21 episode of Dynamite, MJF accepted Tanahashi's challenge after being named a "coward" by Adam Cole.

[22] In the post-show press conference, Cassidy was asked who he would like to defend the title against in the future, which he answered by expressing the desire to face NJPW World Television Champion Zack Sabre Jr.[23] Meanwhile, on the June 2 episode of Rampage, Cassidy's ally, Katsuyori Shibata, successfully defeated Lee Moriarty to retain his ROH Pure Championship, although he was confronted by Daniel Garcia, who sought a future title shot.

[10] Following his loss at Double or Nothing, Sammy Guevara returned to Dynamite on June 14, expressing his desire to "make some changes" to himself in AEW.

[25] On the June 14 episode of Dynamite, AEW Women's World Champion, Toni Storm successfully defended her title against Skye Blue.

After the match, Storm and teammate Ruby Soho attacked Blue, only for her to be saved by NJPW Strong Women's Champion, Willow Nightingale.

In the opening contest, Mogul Embassy (Swerve Strickland, Brian Cage, Toa Liona, and Bishop Kaun) (with Prince Nana) faced El Desperado and Chaos (Rocky Romero, Chuck Taylor, and Trent Beretta).

As Grayson was attempting the Skyfall, Phantasmo escaped and delivered the Jodi Flysch S-DDT and the CR II for the win.

[31] In the Zero Hour main event, Los Ingobernables de Japon (Shingo Takagi, Hiromu Takahashi, and Bushi) squared off against United Empire (TJP, Kyle Fletcher, and Jeff Cobb).

[1] Next, CM Punk went one-on-one with Satoshi Kojima in the Owen Hart Foundation tournament first round match.

[1] In the next match, Orange Cassidy defended the AEW International Championship against Daniel Garcia, Katsuyori Shibata and Zack Sabre Jr.

[1] In the next bout, Sanada (with Douki) defended the IWGP Heavyweight Championship against "Jungle Boy" Jack Perry (with Hook).

[1] Next, Toni Storm (with Ruby Soho and Saraya) defended the AEW Women's World Championship against Willow Nightingale.

In the closing stages, Willow delivered a hip attack, a superkick and a Death Valley Driver for a two-count.

[1] Next, Kenny Omega defended the IWGP United States Heavyweight Championship against Will Ospreay (with Don Callis).

Ospreay then delivered a Tiger Driver '91, the Hidden Blade and a Storm Breaker to win the IWGP United States Championship.

In the closing stages, as Jericho was attempting the Stinger Splash, Sting countered it into the Scorpion Deathlock, but Guevara broke up the submission with a diving cutter.