The British boxer will face Jake Paul in an eight round contest which will be broadcast in real-time on the streaming platform.
Briton Joshua stated he will "dominate completely" Jake Paul and "break" the American as the combatants met personally to publicize the upcoming heavyweight fight.
Former twice unified heavyweight champion Joshua battles YouTuber-turned-boxer Jake Paul - in what is, on paper, a mammoth uneven pairing - at Miami's venue on 19 December.
Boxer's Mindset
"I will injure his face and break his body up. I'm here to prove my superiority," Joshua, 35 years old, stated.
"I plan to overwhelm him. That's how fighters think.
"I will really want to cause him pain. That's what I want to do."
Respectful Exchange
In spite of those words, a composed Joshua and internet personality Paul - usually recognized for his showmanship - shared friendly words and remained civil with each other.
Paul rather targeted former Joshua rival the Cameroonian fighter and called him "a joke" after the Cameroonian declined a match opportunity.
Targeting Fury
Anthony Joshua, meanwhile, criticized British opponent Tyson Fury - and refused a £1m bet 'Tyson Fury' says he will place on a Paul victory.
"Jake Paul is superior to Fury - he showed up," the boxer commented.
"I give him credit for that."
Legitimate Fighter
Despite stating he plans to hurt Jake Paul, Anthony Joshua chose not to talk badly about his opponent's pugilistic talent.
"Jake Paul is a credible opponent," he stated.
Paul's History
Paul - who first rose to fame on the television network - has mostly fought MMA fighters or faded names since becoming pro.
He was defeated by British fighter Fury in last year.
Commercial Attraction
However, the inexperienced fighter continues to be one of the sport's greatest commercial attractions, consistently making substantial earnings.
Forecast and Belief
The 28 year old predicted a stoppage in rounds four or five and asserted he would stop the long-awaited Joshua–Fury fight, which is apparently under discussion for two years from now.
"The next fight will be myself against Tyson Fury next year," Jake Paul declared.
Physical Difference
As Joshua and Paul met for the customary face-off, with their height and weight contrast clearly visible, it drove home just how unlikely this complete situation is - and how astonishing it is that the fight is truly happening.