Dominik Mysterio Wins AAA Mega Championship At WWE x AAA Worlds Collide

Dominik Mysterio is your AAA Mega Champion, defeating El Hijo del Vikino (with help) in the main event of WWE x AAA Worlds Collide. Mysterio won the title in the main event of Friday’s event when El Grande American got involved. As Vikingo tried to stop Americano and pull his mask off, Americano was able to slid a mask load into the ring and Mysterio hit a leaping headbut, followed by a frog splash, to win the title.

The Judgment Day also got involved in the match, but Rey Mysterio ran them off. After the match, Rey came down to give him the title as promised but Dom demanded that his father put it on him. Rey complied before being told to go to the back.

This is Mysterio’s first reign with the AAA Mega Championship, and ends Vikingo’s second reign at 105 days. Vikingo won the title from Alberto El Patrón at AAA Alianzas on May 31st.

Ha llegado el Campeón Intercontinental de WWE, Dominik Mysterio 🔥

EN VIVO en https://t.co/Gv5ke9a0Kj#WorldsCollide desde Las Vegas pic.twitter.com/Bzleu13mgL

— Lucha Libre AAA Worldwide (@luchalibreaaa) September 13, 2025

¡El Megacampeón AAA ha llegado, Hijo del Vikingo! 👏

EN VIVO en https://t.co/Gv5ke9a0Kj#WorldsCollide desde Las Vegas pic.twitter.com/5TJzCuOm4q

— Lucha Libre AAA Worldwide (@luchalibreaaa) September 13, 2025

.@DomMysterio35 is in full control at Worlds Collide 😮‍💨

WATCH HERE: https://t.co/3YuH7EzZcI pic.twitter.com/23YEyr3k1y

— WWE (@WWE) September 13, 2025

What a counter from @DomMysterio35! 😱

WATCH HERE: https://t.co/3YuH7EzZcI pic.twitter.com/0zrOhdMK7A

— WWE (@WWE) September 13, 2025

What are @FinnBalor and @jd_mcdonagh doing here?!?

WATCH HERE: https://t.co/3YuH7EzZcI pic.twitter.com/p5IrzkmcLL

— WWE (@WWE) September 13, 2025