Rey Mysterio heard Logan Paul call him out after beating up Dillon Danis on Saturday ... and now the WWE Superstar is intent on making the YouTuber-turned-fighter pay in front of the world!
TMZ Sports ran into Rey Monday afternoon in NYC (he's hard to miss with the luchador mask!) ... and we had to ask him about Paul's in-ring trash talk.
"I'm looking to shut him up in a way," 48-year-old Mysterio told us without hesitation.
"He said he has his eyesight on something and someone, it's me and the U.