The spring 2018 anime season series Fist of the Blue Sky: Regenesis wrapped up with the knowledge that more was coming and that it was planned for the fall 2018 season.
The manga comes from Buronson, Nobuhiko Horie, and Testuo Hara that kicked off back in 2001 and has twenty-two volumes to date.
We now have a premiere date of October 1st, 2018 for it – at least on Amazon Video.