MDA (2018) The 21 as January as 2018 in
Monterrey, during the fight between
Rey Wagner and
Alberto El Patrón, Konnan, Kross, Dulce, Zorro and Guerrera entered the ring to attack opponents.
AAA (2018–2019) On April 21, MAD made their first appearance in
Lucha Libre AAA Worldwide (AAA) in
Tijuana,
Baja California after the star fight between Wagner and
Hernandez for the
AAA Mega Championship in which Wagner managed to retain his title, appeared Kevin Kross,
Teddy Hart and Juventud Guerrera. Guerrera took a microphone and introduced the attackers as the group
MAD, which he said have reached AAA to "recover what is theirs" and seize as many titles and masks as possible, threatening that they will not be the only ones to arrive. On May 18 in
Tehuacán, Kross teamed up with Hernández to be defeated by
El Hijo del Fantasma and
Psycho Clown, after which Juventud Guerrera appeared in surprise and pushed Psycho, which collided with Fantasma and led to the two of them starting a rivalry. Guerrera and Kross went up then and attacked both
Técnicos, while on the stage appeared another mysterious fighter with a mask and MAD shirt watching them make the attack. On June 3 at
Verano de Escándalo, Juventud Guerrera and Kevin Kross teamed up with
El Texano Jr. to win their victory against
Pagano,
Máximo and
La Máscara. That same day, Guerrera introduced their MAD member and turned out to be
Jeff Jarrett to announce who will be in the main event for the
AAA Mega Championship, later Jarrett beats Wagner and
Rey Mysterio Jr. to win the title for the second time with the help of Konnan who makes his return to the AAA. On March 20, 2019, Fantasma announced his departure from AAA as he signed with WWE removing himself from the group. In 2018, Jarrett would also leave the group as he would return to WWE and is a full-time member of the creative team for the company. ==Members==