#4 The Undertaker

Edge has achieved pretty much everything there is to accomplish in WWE, including main eventing a WrestleMania. He did it at WrestleMania 24 in Orlando, Florida against The Undertaker.
While the Rated-R Superstar was unsuccessful in defending the World Heavyweight Championship and ending The Undertaker's undefeated streak, it would begin a fierce rivalry between the two WWE legends. TLC matches, Hell in a Cell matches, you name the match type and these two bitter rivals have faced off against each other in it.
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2020 marks the 30th anniversary of The Undertaker's debut in WWE. Many are speculating that this could be The Phenom's final in-ring year in the WWE. With The Undertaker winding down his in-ring appearances with the company and Edge having one final run, now would be the perfect time for two to face off one more time.
The Undertaker and AJ Styles stole the show during Night 1 of WrestleMania 36 with their cinematic presentation of The Boneyard Match between The Biker Undertaker and The Phenomenal One. Perhaps with The Undertaker and Edge's physical limitations, a cinematic wrestling encounter between The Biker version of The Undertaker and The Rated-R Superstar would make a perfect final encounter between the two WWE legends.
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