DALLAS -- After a brutal weekend attack by an unknown assailant left The Undertaker "unresponsive to medical attention" -- and unable to compete at the upcoming WWE Fatal 4-Way -- Rey Mysterio overcame the SmackDown roster to capture the ominous Superstar's place at WWE's newest pay-per-view.

Rey Mysterio won the SmackDown Battle Royal and qualified for the World Heavyweight Championship Match at Fatal-4-Way (PHOTOS | WATCH)
SmackDown General Manager Theodore Long sent shockwaves throughout the WWE Universe, informing SmackDown that over Memorial Day weekend, The Undertaker was found by his brother Kane "in a vegetative state," following a vicious assault of unknown origins.

Since The Deadman will no longer be able to be part of the World Heavyweight Championship Match at Fatal 4-Way, the quick-thinking GM determined that every Superstar on the roster would have an opportunity to take his place in a special SmackDown Battle Royal.

When the smoke cleared in the high-stakes match of mayhem, it was Rey Mysterio who stood in triumph. Ironically, out of all the Superstars that fought for the coveted championship opportunity, it was The Demon of Death Valley's brother Kane whose feet were destined to hit the floor last. Just when it looked as if The Big Red Monster was ready to hurl Mysterio from the ring with the chokeslam, The Ultimate Underdog countered, sending the frightening Superstar over the top rope and out to the arena floor.

As a result of his monumental victory, Mysterio will take the vacant spot in the SmackDown World Title main event at Fatal 4-Way in just more than two weeks. (Match preview)

Kelly Kelly def. Rosa Mendes (PHOTOS | WATCH)
With the self-professed "co-Women's Champions" Layla & Michelle McCool looking on, Kelly Kelly, who has continued to show her potential for Friday night greatness, defeated the lovely Rosa Mendes with her high-powered K-2 legdrop.

Intercontinental Champion Kofi Kingston def. Drew McIntyre in an Intercontinental Championship Match (PHOTOS | WATCH)
One week after a letter from WWE Chairman Mr. McMahon brought about the suspension of Matt Hardy, the temporarily banished Superstar bought a ticket to the SmackDown show in Dallas. He arrived just in time to watch Drew McIntyre exercise his rematch clause against Intercontinental Champion Kofi Kingston.

With a war torn Kofi lying outside the ring, the "Chosen One" suddenly turned his attention away from the match, swinging his fist into the crowd to backhand Hardy without warning. The commotion that ensued as Hardy tried to fight through security, allowed a rejuvenated Kingston to hit the SOS on McIntyre and retain his title. Moments later, Hardy jumped into the ring and executed the stunning Twist of Fate on the defeated No. 1 contender.

World Heavyweight Champion Jack Swagger def. MVP (PHOTOS | WATCH)
Immediately after Jack Swagger utilized a roll up to gain an extremely hard-fought victory over MVP, Curt Hawkins and Vance Archer emerged from nowhere to make their mark on The Franchise Playa. Focused on causing an impact before their limited WWE contract runs out, Hawkins & Archer delivered a swift yet decisive attack on The Ballin' Superstar, leaving him reeling on the canvas.

Kane pledged to bring vengeance to those responsible for attacking The Undertaker (PHOTOS)
An intensely disheveled Kane came before the WWE Universe to lament the fall of his brother The Undertaker. Claiming that The Phenom may very well be gone forever, The Big Red Monster vowed to execute "swift, decisive vengeance" on any and all parties responsible for the "heinous assault" on the ominous Superstar. He then unleashed on a quest of absolute terror, storming through the halls of SmackDown to find The Deadman's unknown assailant.