Triplemanía is the company's biggest show of the year, the AAA equivalent of WWE's WrestleMania or New Japan Pro-Wrestling's Wrestle Kingdom event.

Triplemanía XXXI featured 22 professional wrestling matches across the three nights, with different wrestlers involved in pre-existing scripted feuds, plots and storylines.

[7][8] During a press conference on January 17, 2023, AAA announced that Triplemanía XXXI would be themed around the Guerra de Rivalidades tournament, in which four pareja increíble tag teams will compete in matches across the first two nights, with the members of the team that loses in the finals facing each other in a Lucha de Apuestas match on the third night.

[10] During a press conference on February 27, 2023, AAA announced that a Steel Cage match featuring 10 luchadores enmascarados would take place at the Triplemanía XXXI: Monterrey event.

[11] The participants in the match were revealed as Laredo Kid, Antifaz del Norte, Octagón Jr., Villano III Jr., Argenis, Myzteziz Jr., Aero Star, La Parka Negra, Dralístico, and Taurus.

[13] On November 18, it was reported by the Wrestling Observer Newsletter that Omega would not participate in the event due to undergoing multiple surgeries.

[16] During a AAA press conference on April 24, a rematch for the Mega Championship between Vikingo and Omega was announced for Triplemanía XXXI: Tijuana.