Captain Universe vs Dr. Manhattan vs Alien X
https://marvel.fandom.com/wiki/Captain_Universe_(Earth-616)
https://dc.fandom.com/wiki/Jonathan_Osterman_(Watchmen)
https://ben10.fandom.com/wiki/Alien_X
In space, no gear (Why would they need any?)
1 round
Battle until incapacitation (Is that even possible?)
Captain Universe is Ted Simmons, and Ben has complete control of Alien X with no timeouts.