AEW delivered a massive surprise on this week's edition of AEW Dynamite by having Kyle O'Reilly debut in the event's opening match.Adam Cole and Orange Cassidy went to war in a tremendous bout which, however, would now be mostly remembered for the closing moments, when O'Reilly showed up to assist Cole. The timely interference in the match from the former NXT star, when the referee was dealing with Bobby Fish, turned the tide in favor of Adam Cole.Post-match, the former Undisputed Era stablemates stood tall, bringing back several memories of their incredible run in WWE NXT. The reunion could finally be the catalyst for The Panama City Playboy separating from Superkliq, which was also teased on Dynamite when The Young Bucks confronted Cole.As expected, the debut sent the Twitter world into a frenzy, with everyone from wrestlers and fans sharing their excitement over KOR's AEW arrival. With all the buzz surrounding the debut, it's safe to say everyone has very high expectations from the former NXT Tag Team Champion's run in AEW.AEW Women's Champion Britt Baker, Jim Ross, and more react to Kyle O'Reilly's debutBritt Baker was quick to share her reaction to KOR's AEW debut on Twitter, where she used her boyfriend, Adam Cole's catchphrase, to convey her excitement. Furthermore, veteran broadcaster Jim Ross tweeted in praise of Kyle O'Reilly's in-ring work, saying he is a great get for AEW.Plus, Evil Uno, Leyla Hirsch, WWE NXT North American Champion Carmelo Hayes, AEW President Tony Khan also reacted to Kyle O'Reilly's shock AEW arrival. Apart from that, loads of fans also dropped their thoughts on the former WWE star blockbuster appearance. Check out the tweets below:Jim Ross@JRsBBQGreat get for @AEW Love @KORcombat’s game……authentic badass…naturally nasty 🤠 twitter.com/tonykhan/statu…Tony Khan@TonyKhanWelcome to @AEW...Kyle O’Reilly (@KORcombat) is #AllElite! #AEWDynamite6:58 AM · Dec 23, 202181349Welcome to @AEW...Kyle O’Reilly (@KORcombat) is #AllElite! #AEWDynamite https://t.co/wOEKhP6CkhGreat get for @AEW Love @KORcombat’s game……authentic badass…naturally nasty 🤠 twitter.com/tonykhan/statu…Legit Leyla Hirsch@LegitLeylaKyle O’Reilly!!!!! Damn what a start 🔥#AEWDYNAMITE6:55 AM · Dec 23, 202177140Kyle O’Reilly!!!!! Damn what a start 🔥#AEWDYNAMITEDr. Britt Baker, D.M.D.@RealBrittBakerKYLE!!!! #AEWDynamite Undisputed BAY BAY @KORcombat @AEW6:52 AM · Dec 23, 20214481441KYLE!!!! #AEWDynamite Undisputed BAY BAY @KORcombat @AEWFiending For Followers ‼️@Fiend4FolIowsKYLE O’REILLY IS IN AEW! #AEWDynamite6:51 AM · Dec 23, 202189998KYLE O’REILLY IS IN AEW! #AEWDynamite https://t.co/dQ1U8TcHKsJohn Silver@SilverNumber1Big swerve- Adam Cole leaves the elite, leaves Kyle and Bobby fish, then he joins Alex and myself and finally calls himself BUDGE #AEWDynamite7:01 AM · Dec 23, 20214690449Big swerve- Adam Cole leaves the elite, leaves Kyle and Bobby fish, then he joins Alex and myself and finally calls himself BUDGE #AEWDynamiteDenise Salcedo@_denisesalcedoKYLE O' REILLY HAS MADE HIS AEW DEBUT!!!!!! #AEWDynamite6:52 AM · Dec 23, 202171868KYLE O' REILLY HAS MADE HIS AEW DEBUT!!!!!! #AEWDynamite https://t.co/GgSOu5dJUqEVIL UNO of DARK ORDER@EvilUnoEvil Uno is co-workers with Kyle O’Reilly. #AEWDynamite7:00 AM · Dec 23, 20211714102Evil Uno is co-workers with Kyle O’Reilly. #AEWDynamiteTony Khan@TonyKhanI’m still amazed that we were able to reunite @AdamColePro + @theBobbyFish + @KORcombat tonight on #AEWDynamite; it doesn’t seem like it should’ve been possible, still doesn’t feel real. The only reason it was possible was because of you great fans supporting @AEWonTNT! Thank you7:13 AM · Dec 23, 20213560444I’m still amazed that we were able to reunite @AdamColePro + @theBobbyFish + @KORcombat tonight on #AEWDynamite; it doesn’t seem like it should’ve been possible, still doesn’t feel real. The only reason it was possible was because of you great fans supporting @AEWonTNT! Thank youJason Solomon@solomonsterAn UNDISPUTEDLY wise decision by Kyle O'Reilly #AEWDynamite6:53 AM · Dec 23, 202177478An UNDISPUTEDLY wise decision by Kyle O'Reilly #AEWDynamiteCarmelo Hayes@Carmelo_WWECool Kyle 💯6:55 AM · Dec 23, 202188377Cool Kyle 💯EliteAEW®️@EIiteAEWKYLE O’REILLY HAS OFFICIALLY DEBUTED IN ALL ELITE WRESTLING!!!THE UNDISPUTED ERA IS BACK. #AEWDynamite6:53 AM · Dec 23, 202123348KYLE O’REILLY HAS OFFICIALLY DEBUTED IN ALL ELITE WRESTLING!!!THE UNDISPUTED ERA IS BACK. #AEWDynamite https://t.co/Mm6dgsbhpbWhat did you make of Kyle O'Reilly's AEW debut? Do you see winning a title in the company sometime down the line? Sound off in the comments section below.