Triplemanía XX was a professional wrestling event scripted and produced by the AAA promotion, which took place on August 5, 2012, at Arena Ciudad de México in Mexico City, Mexico. The event was the twentieth annual Triplemanía, which is AAA's biggest show of the year, and marked AAA's debut in the new Arena Ciudad de México. The event was headlined by a match between Dr. Wagner Jr. and Máscara Año 2000 Jr., where the loser was forced to unmask himself. In the semi-main event, El Mesías defended the AAA Mega Championship against the 2012 Rey de Reyes, El Hijo del Perro Aguayo. The event also featured Total Nonstop Action Wrestling (TNA) performer Kurt Angle's AAA debut and an induction into the AAA Hall of Fame. This event marked the first time in four years that a Triplemanía was not broad