KSI, Tommy Fury, Logan Paul and Dillon Danis will all come face-to-face on Tuesday in London.
The four main event fighters will host a joint press conference at Wembley Arena ahead of their bouts on October 14 in Manchester.
KSI is set to take on Tommy Fury in the main event.
Logan Paul vs Dillon Danis will take place just beforehand in the co-main event.
The event staged by KSI's promotional company Misfits Boxing is being branded 'The PRIME Card'.
The press conference is scheduled for Tuesday, August 22.
More Boxing News
There will be fans in attendance but tickets are no longer available.
The limited number of free tickets were taken up instantly when they were made available last week.
Misfits Boxing's statement read: "The OVO Arena Wembley will host the launch press conference for the biggest crossover boxing event in history.
"On Tuesday, August 22 KSI, Logan Paul, Tommy Fury and Dillon Danis will face the media – and each other – to discuss their fights at the massive MF & DAZN: X Series event, which heads for Manchester this autumn, live on DAZN and DAZN PPV."
Most read in Boxing
The press conference is due to start at 4pm and will be streamed across various social media channels and platforms.
These include KSI's own YouTube channel and the Misfits Boxing YouTube channel.
ncG1vNJzZmiskaG4tLzOq6tnm5%2BifLS8zquraJqfrbavs45qbG1oaWWAcLTOsGStp12srrWvx2airKFdq8BuwM6mpLJllqq%2FunnLqJ6apl2lrra4jK%2BqZpyZobmwuoydmKeho2K9s7HSrGScp56bsrOxzZycZq%2BYlsFuwMimnGg%3D