According to a report in the latest Wrestling Observer Newsletter, New Japan Pro-Wrestling current deal with AXS TV expires in 2021.
In The Observer, Dave Meltzer goes into detail about the accomplishments of Adam Swift who was recently let go following the merger of Anthem and AXS, noting that he had a major role in getting new Japan on to the network and even had an Executive Producer credit on the television show:
Dave would go on to say that the future of New Japan-Pro Wrestling and WOW Superheroes On the network is uncertain, we do know that IMPACT Wrestling has officially announced that they will be moving to the network following their Bound For Glory pay-per-view.