We have a release date for Eden Zero first volume. Vol 1 is set to be released around the glove some time in October 2018. We learn this through twitter as news still comin out of Anime Expo as news is still coming out. We also have other Hiro news on Fairy Tail spins off and more.
Article:http://comicbook.com/anime/2018/07/07/edens-zero-volume-1-manga-release-date-revealed-kodansha/
As always thank you for reading.