The battle of the billionaires continues.

After last year's back-and-forth between Meta CEO Mark Zuckerberg and Tesla CEO Elon Musk about setting up a potential cage match — which ended when Zuckerberg called the fight off, calling Musk "not serious" — Musk is once again on the attack, telling a reporter from Fox News Wednesday that he was ready to fight.

Related: Cage Fight Plans Between Musk........

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