#3 AJ Styles' debut
At Wrestle Kingdom 10, two of New Japan Pro Wrestling's absolute best made the headlines after an instant classic against each other, as Shinsuke Nakamura successfully defended his IWGP Intercontinental Championship against AJ Styles at the Tokyo Dome.
Following the match, however, reports immediately suggested that both Styles and Nakamura (along with the former's Bullet Club stablemates Karl Anderson and Luke Gallows) had signed with WWE. With that being said, it was a matter of when, as the WWE Universe waited for the arrival of 'The Phenomenal One'. The man who led TNA from the front, put on numerous classics and had won gold all around the world, to finally arrive in WWE.
At Royal Rumble 2016, Roman Reigns was slated to defend his WWE Championship against 29 other men in the namesake match and with 'The Big Dog' entering at #1, he knew his hands were full on the night. With Rusev being eliminated at #2, the crowd awaited the third entry and much to everyone's shock, it was 'The Phenomenal One' who finally walked out into a WWE arena.
Styles' debut sent the entire WWE Universe into a frenzy, as the internet went bonkers over the debut of 'The Phenomenal One'.