The event was originally scheduled to take place on August 22, 2020 at Arena Ciudad de México in Mexico City, but was moved to December 12 due to the COVID-19 pandemic.

In other prominent matches, Kenny Omega defeated Laredo Kid to successfully defend the AAA Mega Championship and Lady Shani won the inaugural Copa Triplemanía Femenil.

The event also hosted the first match of Marvel's Lucha Libre Edition project, during which Terror Púrpura and Venenoide defeated Aracno and Leyenda Americana.

[10][11] On October 19, 2019 at Héroes Inmortales XIII, All Elite Wrestling's (AEW) Kenny Omega defeated Fénix to win the AAA Mega Championship.

[6] As part of the partnership, AAA will host a Marvel tag team exhibition match at Triplemanía, which will pit Spider-Man and Captain America against Thanos and Venom (known respectively in Mexico as Aracno and Leyenda Americana and Terror Púrpura and Venenoide);[14] all four characters appear in the Lucha Libre Edition line.

[15] Triplemanía XXVIII was originally planned to be themed around the Héroe o Villano tournament, which would have featured wrestlers from AAA's American partners AEW and Impact Wrestling.

[17] It was later announced that Jinetes del Aire (Myzteziz Jr. and Octagon Jr.), La Parka Negra and Dave the Clown, Aero Star and Drago, and Los Lucha Brothers (Fénix and Pentagón Jr.) were the teams participating in the tournament.