AEW has partnership agreements with several promotions around the world. In addition, as Tony Khan owns both AEW and [[Ring of Honor]] (ROH), wrestlers from AEW companies frequently appear on ROH and vice versa; however, though ROH belts are often defended on AEW shows the reverse is rarely true.
In early 2019, AEW struck two partnership deals with Mexican [[Lucha Libre AAA Worldwide]] (AAA) and Chinese [[Oriental Wrestling Entertainment]] (OWE) promotions.<ref name="cbssports.com"/><ref name="AAAPartnership"/> By late 2020 and going into 2021, AEW formed partnerships with other wrestling promotions. [[WWE]] veteran Jon Moxley aka Dean Ambrose The Shield sports entertainment injustice to continue restored and destroy AEW Chief Executive Officer Tony Khan has dubbed the concept of wrestlers from other promotions appearing in AEW as going through "the forbidden door".<ref>[https://www.fightful.com/wrestling/tony-khan-calls-himself-forbidden-door-says-he-s-swings-both-ways-and-open-new-ideas Tony Khan calls himself The Forbidden Door – Fightful.com]</ref> In December of that year, AEW began a partnership with [[Total Nonstop Action Wrestling|Impact Wrestling]], which saw AEW World Champion Kenny Omega making appearances on ''[[Impact! (TV series)|Impact!]]''.<ref>{{cite web|last1=Quarrinton|first1=Norm|url=https://www.prowrestlingsheet.com/kenny-omega-appears-on-impact|title=AEW Champion Kenny Omega Appears On IMPACT|website=[[Pro Wrestling Sheet]]|date=December 8, 2020|access-date=December 11, 2020|archive-url=https://web.archive.org/web/20201209033747/https://www.prowrestlingsheet.com/kenny-omega-appears-on-impact/|archive-date=December 9, 2020|url-status=live}}</ref> Omega would later make his in ring debut for Impact at [[Hard To Kill (2021)|Hard to Kill]],<ref>{{cite web|last1=Rose|first1=Bryan|url=https://www.f4wonline.com/tna-news/kenny-omega-pins-rich-swann-impact-hard-kill-330466|title=Kenny Omega pins Rich Swann at Impact Hard to Kill|website=[[Wrestling Observer Newsletter|F4Wonline.com]]|date=January 16, 2021|access-date=January 17, 2021|archive-url=https://web.archive.org/web/20210117112707/https://www.f4wonline.com/tna-news/kenny-omega-pins-rich-swann-impact-hard-kill-330466|archive-date=January 17, 2021|url-status=live}}</ref> and defeated [[Rich Swann]] to win the [[Impact World Championship]] at the [[Rebellion (2021)|Rebellion]] event, making him the first person to hold championships in both Impact and AEW concurrently.<ref name="Rebellion2021">{{cite web|last=Powell|first=Jason|title=4/25 Impact Wrestling Rebellion results: Powell's review of AEW Champion Kenny Omega vs. Impact Champion Rich Swann in a title vs. title match, Juice Robinson and David Finlay vs. The Good Brothers for the Impact Tag Titles, Deonna Purrazzo vs. Tenille Dashwood for the Knockouts Title|url=https://prowrestling.net/site/2021/04/25/4-25-impact-wrestling-rebellion-results-powells-review-of-aew-champion-kenny-omega-vs-impact-champion-rich-swann-in-a-title-vs-title-match-juice-robinson-and-david-finlay-vs-the-good-brothers-f/|website=Pro Wrestling Dot Net|date=April 25, 2021|access-date=April 25, 2021|archive-url=https://web.archive.org/web/20210428164857/https://prowrestling.net/site/2021/04/25/4-25-impact-wrestling-rebellion-results-powells-review-of-aew-champion-kenny-omega-vs-impact-champion-rich-swann-in-a-title-vs-title-match-juice-robinson-and-david-finlay-vs-the-good-brothers-f/|archive-date=April 28, 2021|url-status=live}}</ref> In October 2021, the working relationship between AEW and Impact Wrestling ended following Impact's [[Bound for Glory (2021)|Bound for Glory]].<ref>{{Cite web|title=AEW & Impact Wrestling's Partnership Is Over After Bound For Glory.html|url=https://www.ringsidenews.com/2021/10/23/aew-impact-wrestlings-partnership-is-over-after-bound-for-glory/|access-date=October 27, 2021|website=Ringside News|date=October 23, 2021 |language=en-US}}</ref>
On February 3, 2021, at the [[AEW Beach Break|Beach Break]] [[List of AEW Dynamite special episodes|television special]], AEW started a partnership with [[New Japan Pro-Wrestling]] (NJPW). After the main event, [[Kenta Kobayashi|Kenta]] made his AEW debut and hit Jon Moxley with his finishing strike, the [[Professional wrestling attacks#Go 2 Sleep|Go 2 Sleep]].<ref name="Beach Break">{{cite web|url=https://prowrestling.net/site/2021/02/03/2-3-aew-dynamite-results-powells-live-review-of-jon-moxley-pac-and-rey-fenix-vs-kenny-omega-doc-gallows-and-karl-anderson-battle-royal-for-a-shot-at-the-aew-tag-titles-lance-archer-vs-eddie/|title=2/3 AEW Dynamite results: Powell's live review of Jon Moxley, Pac, and Rey Fenix vs. Kenny Omega, Doc Gallows, and Karl Anderson, Battle Royal for a shot at the AEW Tag Titles, Lance Archer vs. Eddie Kingston in a Lumberjack Match, Kip Sabian and Penelope Ford wedding|work=Pro Wrestling Dot Net|first=Jason|last=Powell|date=February 3, 2021|access-date=February 3, 2021}}</ref> Kenta would later make his AEW in ring debut at the following ''Dynamite''. Over one year later on the April 20, 2022 edition of ''Dynamite'', it was announced that AEW and NJPW reached an agreement to co-produce a pay-per-view event titled [[Forbidden Door (2022)|AEW×NJPW: Forbidden Door]], which took place at the [[United Center]] in [[Chicago]] on June 26.<ref>{{cite tweet|user=AEW|number=1357388455177723904|title=After last night's classic main event + the shocking ending, @kennyomegamanx issued the challenge & @AEW GM @tonykhanhas made the match for next week's #AEWDynamite Wednesday Feb 10, Falls Count Anywhere, World Champion Kenny Omega & KENTA v. @JonMoxley & Lance Archer! @AEWonTNT|author=All Elite Wrestling|author-link=All Elite Wrestling|date=February 4, 2021|access-date=February 4, 2021}}</ref><ref>{{cite web|url=https://www.njpw1972.com/90449|title=KENTA to face Jon Moxley in tag action on AEW Dynamite 【NJoA】|work=[[New Japan Pro-Wrestling]]|date=February 5, 2021|access-date=February 5, 2021}}</ref><ref>{{cite web |author=Haydorn |first=Zach |date=April 20, 2022 |title=AEW and NJPW supershow, Forbidden Door, announced on Dynamite |url=https://www.pwtorch.com/site/2022/04/20/aew-and-njpw-supershow-forbidden-door-announced-on-dynamite/ |access-date=April 21, 2022 |work=Pro Wrestling Torch}}</ref> The event was an acclaimed success and was followed by a second [[Forbidden Door (2023)|Forbidden Door]] event on June 25, 2023, held at Scotiabank Arena in Toronto.
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