Did Roman Reigns just spoil the main event of WrestleMania 42 ? The WWE Universe certainly seems to think so. One of the hardest matches to call heading into the Showcase of the Immortals this weekend is the World Heavyweight Championship match between CM Punk and Roman Reigns. The build has been relatively even, and neither man has a definitive edge on the other. This has led to a great deal of excitement among the WWE Universe to have a main event where the outcome wasn't predictable before the bell rang. But it appears the Tribal Chief might have ruined that ahead of this Sunday. CM Punk vs. Roman Reigns | WWE Roman Reigns says his work in WWE will be done if he loses to CM Punk The OTC recently sat down with Michael Cole for WWE's YouTube channel ahead of WrestleMania 42 , and while discussing his match with CM Punk on Sunday for the World Heavyweight Championship, Reigns said that if he loses to Punk, he no longer belongs in WWE. "If I lose to CM Punk at WrestleMania, I don't belong in the WWE anymore.…