Dominik Mysterio Becomes New AAA Mega Champion in Las Vegas Showdown

Las Vegas, Nevada – Dominik Mysterio defeated El Hijo del Vikingo to become the new AAA Mega Champion at WWE and AAA’s Worlds Collide event held at the Thomas & Mack Center on September 12, 2025. The match concluded with Mysterio, also the WWE Intercontinental Champion, using a loaded mask to secure his victory.

The contest was a highlight of the night, drawing excitement as both wrestlers displayed their skills. Mysterio gained an early advantage by targeting Vikingo with a series of offensive maneuvers, including the Three Amigos. However, Vikingo countered with high-flying tactics, landing a 630 splash that appeared to seal his win.

Chaos ensued as members of the Judgment Day, including Finn Bálor and JD McDonagh, interfered, distracting the referee and altering the match’s outcome. Dragon Lee and Rey Mysterio attempted to even the odds but were met with resistance. In a pivotal moment, El Grande Americano intervened, dragging the referee out before he could count Vikingo’s pin.

After confronting the odds, Mysterio ultimately delivered a headbutt with the loaded mask, followed by a frog splash, earning him the pinfall victory after 18 minutes of action.

Following the match, Rey Mysterio, Dominik’s father, entered the ring to bestow the championship belt upon his son, marking a significant family moment that concluded the night.