 CMLL brought the La Copa Junior tournament back in late 2012, holding the tournament spread out over two "CMLL Super Viernes" shows and the finals as the main event of the 2012 "Sin Piedad".The two qualifying rounds took place on the November 30, 2012 and the Super Viernes December 7, 2012.CMLL decided to change the tournament format for the 2012 version, instead adopting their normal tournament format, with two qualifying "torneo cibernetico", multi-man elimination matches, with the winner of each match advancing to the finals.