Canelo Alverez thinks the Floyd Mayweather comeback is HILARIOUS -- saying there's no way Floyd would ever consider a rematch because he's too focused on MMA guys.
The boxing superstar was leaving Matsuhisa sushi in Hollywood in great spirits when we asked how he felt about 42-year-old Floyd wanting TWO fights in 2020.
"He's not gonna fight with me," a smirking Canelo told us ... "He's gonna take on MMA fighters!"
CA's entourage added a little more commentary -- with a female friend saying Floyd "couldn't handle" a fight with Canelo.