World Boxing Super Series boxing tournament attempt since the Super Six World Boxing Classic, which took place from 2009 to 2011. The first season of tournament was held from 2017 to 2018 at two weight classes: cruiserweight and super middleweight. The inaugural tournament started in September 2017 and finished with two finals in the summer of 2018. With the tournament, the cruiserweight division crowned its first undisputed champion since 2006. At a press conference in London on 9 May 2018, a second season was announced, which would take place from 2018 to 2019. Bantamweight and light welterweight was confirmed as two of the three
IWA Undisputed World Heavyweight Championship scheluded defense due to a storyline injury, which resulted in the title being stripped from him. The interim General Manager went on to proclaim himself champion, issuing an open challenge which was accepted by EWO's first contender, a masked wrestler known only as "Bonecrusher", who won it Ina squash match. The confrontations between Cotto and Pérez continued in two of IWA's events expanding to include EWO's CEO, Richard Rondón, as well. On February 25, 2012, following more intervention from the IWA, Cotto issued a challenge to end the conflict, an unification match for the EWO Championship and IWA Undisputed World