Multiverse is a professional wrestling event promoted by the U.S. based promotion Total Nonstop Action Wrestling as part of WrestleCon, which is held during the weekend of, and either in or nearby the same city as WrestleMania - the flagship event of WWE - which is considered to be the biggest wrestling event of the year.
The "Multiverse" name stems from Impact either bringing in talent from, or co-producing the show with partner promotions such as New Japan Pro-Wrestling (NJPW), the National Wrestling Alliance (NWA), Ring of Honor (ROH), Game Changer Wrestling (GCW) and Mexico's Lucha Libre AAA Worldwide (AAA).
[1] The inaugural Multiverse event took place on April 1, 2022, at the Fairmount Hotel, in Dallas, Texas.
[2]