Fiji and Japan will be part of the eight-team tournament in Europe along with the Six Nations sides scheduled at end of the year.
The decision follows after the traditional European tour of Southern Hemisphere teams have been cancelled after the international calendar was temporarily changed following the pandemic coronavirus.
Instead, New Zealand along with Australia, Argentina and World Champions South Africa will compete in the Rugby Championship tournament which was originally scheduled in August.
According to reports, the eight-team tournament is set to have two groups of four sides each with England grouped along Wales, Ireland and Fiji in one group while Scotland, France, Italy and Japan will be on the other.
England's games against Ireland and Fiji is likely to be at Twickenham Stadium while Scotland will host Japan and France at Murrayfield and face Italy in Rome.
The tournament will kick-start two-weeks after the postponed Six Nations game complete at the end of October and is set to run on four consecutive weekends until 5th December following which the teams will face their equivalent in the other group on the final weekend with the venue yet to be decided.