At the electrifying WWE x AAA Worlds Collide pay-per-view event on September 12, 2025, Dominik Mysterio captured the prestigious AAA Mega Championship, adding to his already impressive accolades in WWE. In a hard-fought and dramatic main event, Dominik defeated El Hijo del Vikingo, aided by interference from Judgment Day allies and El Grande Americano, marking a major milestone in the 28-year-old’s career[1][2][3].
The match was a back-and-forth battle showcasing high-flying maneuvers, technical skill, and intense drama. Both men traded near falls and vicious attacks, including Vikingo’s signature 450 Splash and a devastating 630 Splash, while Dominik executed his trademark 619 and frog splash. The turning point came when El Grande Americano slid a concealed metal plate into Dominik’s mask during a chaotic sequence, allowing Dominik to land a loaded headbutt and frog splash for the decisive pin[2][3].
Following the victory, WWE Hall of Famer Rey Mysterio instantly appeared ringside to honor his son by placing the AAA Mega Championship belt around Dominik’s waist. However, in a striking display of heel arrogance, Dominik berated Rey, ordering him out of the ring and miming a kick to the face, signaling a growing rift between father and son that has captivated fans across both promotions[1][3].
Dominik now stands as a dominant double champion, holding both the WWE Intercontinental Championship and the AAA Mega Championship. This continues the reign of dominance by the Judgment Day faction, which also controls the WWE World Tag Team titles (held by Finn Bálor and JD McDonagh) and the WWE Women’s Tag Team and Women’s World Championships through other members[1].
What This Means for Dominik Mysterio and Judgment Day
Dominik’s triumph elevates him as a key figure bridging WWE and AAA, with expectations high for him to defend the AAA Mega title in Mexico while continuing his role as a top star in WWE programming. Sources close to Dominik revealed to Wrestling Headlines that he embraces the challenge: “Juggling two major titles means more spotlight and bigger opportunities. Dom is ready to make history in both worlds.”
His brash behavior post-victory — notably disrespecting Rey Mysterio — positions him as a provocative heel, adding layers to ongoing storylines within WWE. Fightful has reported that backstage, the tension between father and son is a carefully crafted narrative designed to deepen Dominik’s character and fuel Judgment Day’s dominance[1][2].
Top WWE Superstar Undergoes Surgery
In other significant WWE news from Worlds Collide weekend, a top WWE superstar underwent surgery shortly after the event. While WWE has not disclosed full details publicly, Fightful and Ringside News confirm that the injury required immediate medical attention, with recovery expected to keep the star sidelined for several weeks. WWE.com has promised updates on the superstar’s condition in upcoming broadcasts.
This development marks a moment of concern among fans and has prompted speculation on potential shifts in WWE storylines as creative recalibrates to accommodate the star’s absence. According to a WWE insider speaking to Post Wrestling, “WWE is already adjusting mid-term plans, but they remain optimistic about the star returning stronger than ever.”
WWE SmackDown Dark Matches and Additional Highlights
Beyond the headline-grabbing AAA Mega Championship and injury update, the WWE x AAA event featured several exciting SmackDown dark matches that did not air on the main broadcast but generated buzz among live audiences.
Notably, the eight-man tag team match pitting AAA legends La Parka, Octagón Jr., Laredo Kid, and Mascarita Sagrada against a team including Joaquin Wilde and Lince Dorado showcased high energy and traditional lucha libre styles. Additionally, the AAA World Tag Team Championship was defended in a thrilling contest where Psycho Clown & Pagano retained over WWE’s Kofi Kingston and Grayson Waller[4].
Looking Forward: Dominik’s Cross-Promotional Impact
Dominik Mysterio’s ascent as AAA Mega Champion firmly establishes WWE’s ongoing cross-promotional collaboration with AAA as a unique platform for talent exposure and storytelling innovation. Wrestling analysts predict this will pave the way for more WWE stars to compete in Mexico’s top league, further blending styles and expanding fan engagement internationally.
According to sources from AAA, the partnership aims to elevate the stature of both organizations by featuring marquee matches like Dominik vs. Vikingo. Veteran commentator Mike Rome shared on his podcast: “Dominik’s win sends a clear message—WWE’s future stars will carry the torch in Mexico and beyond, driving a new era of global wrestling.”
Final Notes
Dominik Mysterio’s AAA Mega Championship victory is among the most significant moments of his career, blending family drama, faction warfare, and international prestige. As he now juggles dual championship duties, all eyes will remain fixed on how Judgment Day capitalizes on this momentum and what repercussions Dominik’s heel attitude will have on WWE programming.
Meanwhile, WWE fans also await further medical updates on the affected superstar, hoping for a swift and full recovery to maintain the momentum built during this packed weekend.
For continued coverage of WWE, AAA, and Worlds Collide developments, stay tuned to official WWE channels, top wrestling news sites like Wrestling Headlines, Fightful, and Post Wrestling for the latest insights and exclusive backstage reports.