Rey Mysterio, the WWE Hall of Famer and current AAA general manager, headlines Triplemania 34 Night 1 on Friday in Las Vegas, facing 7-foot-3 Omos in what is billed as a David-versus-Goliath encounter. The match caps a feud that began when Mysterio suspended Omos for attacking him in August; Omos later returned as a paying spectator but continued targeting Mysterio, leading to the Triplemania showdown. The event marks the first time Lucha Libre AAA Worldwide has staged Triplemania in the United States, underlining the promotion's growing reach beyond Mexico.

Commentator Corey Graves, who will call the match, described the 51-year-old Mysterio as a "miracle" for maintaining elite in-ring performance three decades into his career. If Omos wins, he will be reinstated to the AAA roster; Dominik Mysterio will support Omos, while El Grande Americano backs Rey Mysterio. Night 1 takes place at the MGM Grand Garden Arena in Las Vegas and streams on YouTube at 10pm ET, with Night 2 following on Sunday at Arena CDMX in Mexico City, featuring Dominik Mysterio against El Grande Americano for the AAA Mega Championship.