Anthony Joshua will face Miller at Madison Square Garden on June 1.
The Brit’s latest fight was announced last week by promoter Eddie Hearn.
Joshua will be aiming to defend his WBA, IBF, WBO and IBO heavyweight titles against the 30-year-old.
The pair came face-to-face last July in an expletive-ridden encounter.
And footage has emerged from the first press conference in New York of Miller trying to stamp his authority over the 29-year-old once again.
In the clip, both fighters come out to a tense silence.
And they walk straight up to each other, Joshua towering over his opponent.
But the American cannot contain himself and shoves the Brit hard.
The heavyweight champion is sent flying before a security guard catches him.
Hearn has a hand on Miller – but the 30-year-old’s gaze does not leave AJ who wants his opponent back from the guards.
“Calm down,” AJ says, encouraging the crowd to relax.
“Come and face off.”
But Miller is far from relaxed, shouting: “I’ll murder him.
“That’s what I want to hear.”
It takes four security guards to hold the American back as Joshua waits calmly.
Since being posted on Twitter, this footage has been viewed more than 45,000 times.
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