The British boxer is set to fight the American YouTuber in an eight-bout fight which will be shown live on the streaming platform.
Briton Joshua stated he will "overwhelm entirely" the American and "break" the American as the pair came face-to-face to publicize the upcoming heavyweight fight.
Ex two-time world heavyweight champion Joshua faces YouTuber-turned-boxer Jake Paul - in what is, on paper, a massive mismatch - at Miami's Kaseya Center on 19 December.
"I'm going to break his face and break his body up. I'm here to prove I'm the better fighter," Joshua, 35 years old, declared.
"I'll stamp all over him. That's a fighter's mentality.
"I will seriously aim to injure him. That's my goal."
Despite those words, a calm Joshua and internet personality Jake Paul - usually recognized for his dramatics - shared friendly words and remained civil with each other.
Paul instead attacked former Joshua rival Francis Ngannou and labeled him "a joke" after Ngannou declined a match opportunity.
Joshua, meanwhile, took aim at UK rival Fury - and declined a million-pound wager 'Tyson Fury' states he will put on a victory for Paul.
"[Paul] is superior to Fury - he's actually sitting here," Joshua said.
"I respect him for that."
Despite stating he plans to punish Paul, Anthony Joshua declined to talk badly about his rival's pugilistic talent.
"Jake is a serious fighter," he said.
Jake Paul - who first rose to fame on the television network - has mainly boxed MMA fighters or faded names since turning professional.
He was defeated by British fighter Fury in last year.
Still, the novice remains one of boxing's biggest commercial attractions, frequently receiving huge paydays.
The 28-year-old forecast a knockout win in rounds four or five and asserted he would stop the long-awaited Fury-Joshua bout, which is allegedly in the works for two years from now.
"It's going to be my match with Fury in the coming year," Jake Paul said.
As the two fighters participated in the traditional confrontation, with their height and weight contrast evident, it emphasized just how surprising this entire matchup is - and how astonishing it is that the fight is really proceeding.
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