Is John Cena setting up fans for a truly epic announcement this weekend at WWE Backlash ? Or will this hype result in tremendous disappointment? After performing his duties as the host of WrestleMania 42 , rumors began to circulate that John Cena would appear for WWE once again just a few short weeks later at Backlash . Earlier this week, Cena took to social media to confirm his appearance, noting that he would be there to " break some history-making news ." While many fans initially dismissed this as nothing more than an announcement for the upcoming launch of Club WWE, Cena is once again doubling down on this weekend's announcement, making it sound way bigger than what was initially predicted. John Cena | WWE John Cena Claims Backlash Announcement Will Shock the Foundation of WWE This afternoon, the future WWE Hall of Famer took to social media again to hype up this weekend's announcement.…