Deontay Wilder: I'm Going To 'Baptize' Tyson Fury ... With My Fists!!

Deontay Wilder is promising to give fellow heavyweight champ Tyson Fury a religious experience ... saying he's going to "baptize" the Irish brawler when they step in the ring together.

We got the bronze bomber leaving Super Bowl 50 and asked him what he has in store for Fury if Tyson can get past Wladimir Klitschko in their upcoming rematch.

Check out the clip -- Deontay seems confident he's going to beat the hell out of Fury if they ever step into the ring together ... saying he'd knock him out inside four rounds.