The X CEO, via his X page, revealed that the fight would be managed by the foundations of him and Mr Zuckerberg, not the UFC.
It said the latest update allowed users to share their screens in real-time during conversations.
Last month, Zuckerberg and South African-born billionaire Musk agreed to cage a fight.
He, however, expressed the fears of data privacy with Threads.
Twitter owner Elon Musk while reacting to the launch of Threads, said, “Competition is fine, cheating is not.”
The new Threads app was launched on Wednesday after many months of speculation and secrecy by the Meta Team.
He, however, noted that WhatsApp had implemented several security measures to protect against such threats, including end-to-end encryption and remote device management.
The new update follows several requests from users of WhatsApp across various devices.
It is the second mass firing that the company has enforced in the space of six months.
