Triplemanía XXVIII was a professional wrestling event produced and scripted by the Mexican professional wrestling promotion Lucha Libre AAA Worldwide (AAA or Triple A). 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. It marked the 28th year in a row that AAA has held a Triplemanía show, and the 34th overall show held under the Triplemanía banner since 1993.
| Actor | Role |
|---|---|
 José Julio Pacheco HernándezPagano | Pagano |
 Kevin Citlali ZamoraChessman | Chessman |
 Tyson SmithKenny Omega | Kenny Omega |
 Laredo KidLaredo Kid | Laredo Kid |
 Shoji NakazawaMichael Nakazawa | Michael Nakazawa |
 Brian ButtonTerror Púrpura | Terror Púrpura |
 Lionel Gerard GreenAracno | Aracno |
 Miguel Ángel Olivo CastroLeyenda Americana | Leyenda Americana |
 Psycho ClownPsycho Clown | Psycho Clown |
| MMonster ClownMonster Clown | Monster Clown |
 Murder ClownMurder Clown | Murder Clown |
 Blue Demon Jr.Blue Demon Jr. | Blue Demon Jr. |
 Adolfo Tapia IbarraLA Park | LA Park |
 Lady ShaniLady Shani | Lady Shani |
 Rey FénixFénix | Fénix |
 Pentagón Jr.Pentagón Jr. | Pentagón Jr. |
 Luis Arturo Aguilar MendozaTexano Jr. | Texano Jr. |
 Fabián Núñez NapolesRey Escorpión | Rey Escorpión |