All Elite Wrestling (AEW) held a landmark event titled 'Grand Slam Mexico' at Arena Mexico on June 18-19, 2025, featuring a collaborative show with Ring of Honor and Consejo Mundial de Lucha Libre (CMLL). The event showcased matches such as MJF versus Místico, the CMLL World Women's Championship match between Zeuxis and Mercedes Moné, and a 12-man tag team match including Bandido, Templario, Atlantis Jr., and Adam Cole. The event was broadcast live on FOX Sports Mexico and streamed on various platforms. Following this, AEW celebrated the 300th episode of its flagship show, AEW Dynamite, on July 2, 2025. The episode featured high-profile matches including Kota Ibushi versus Kazuchika Okada and the TBS Championship defense by Mercedes Moné against Mina Shirakawa. Tony Khan, AEW's president, emphasized the importance of fan influence on the promotion's booking decisions and expressed confidence in AEW's continued presence in Mexico. The 300th episode aired one week before the highly anticipated 'All-In' pay-per-view event, marking a significant moment in AEW's 2025 programming and growth.