In February 2018, Rush and former rival El Terrible were teamed up for the 2018 Torneo Nacional de Parejas Increíbles, defeating the teams of Forastero/Stuka Jr., Atlantis/Mr. Niebla, Carístico/Euforia and finally Volador Jr. and Último Guerrero to win the tournament. After the victory El Terrible became an official member of Los Ingobernables. After Volador Jr. and Flyer won the 2018 Gran Alternativa, they were attacked by Los Ingobernables. Moments later Volador Jr,'s uncle L.A. Park and cousin El Hijo de L.A. Park made their surprise return to CMLL by running to the ring and chasing off Los Ingobernables, bringing the rivalry between Rush and L.A. Park to the CMLL ring for the first time. Over the summer Los Ingobernables and "La Familia Real ("The Royal Family"; L.A. Park, Volador Jr., Flyer and El Hijo de L.A. Park) main evented many Friday night shows in CMLL. The main focus was building a rivalry between Rush and L.A. Park, believed to be leading to a Lucha de Apuestas, at the CMLL 85th Anniversary Show. As part of the storyline Rush and El Terrible defeat Volador Jr. and Valiente to win the CMLL World Tag Team Championship on July 13, 2018. the feud between Rush and L.A. Park was not confined to CMLL, with Rush and Dragon Lee losing to L.A. Park and El Hijo de L.A. Park in the main event of IWRG's 2018 Festival de las Máscaras show, In the late summer, CMLL shifted focus from Rush vs. Parka to Rush and Bárbaro Cavernario against Volador Jr. and Matt Taven as the main event of the 85th Anniversary Show. In the main event of the anniversary show Rush and Cavernario won a tag team lucha de apuestas, forcing Volador Jr. and Taven to have their hair shaved off for the first time in their careers. On November 18, 2018, Diamante Azul and Valiente defeated Los Ingobernables, taking the CMLL World Tag Team Championship from them in the process. While the feud between Rush and L.A. Park was downplayed by CMLL it continued on the independent circuit, including the main event of IWRG's Triangular en Jaula ("triangle in a cage") show, which saw Rush defeat L.A. Park and Penta 0M in a steel cage match. In January 2019, Rush signed a contract with Ring of Honor, becoming a regular wrestler of their roster. On September 27, 2019, Rush wrestled on ROH's Death