Where to Buy Possession
Issue 1 released July 11, 2018.
Issue 2 released December 19, 2018.
DriveThru Comics. Buy issues one at a time for $1.99.
ComiXology. Buy issues one at a time for $1.99 or subscribe to the series (you are only charged when a new issue comes out and you will get an email with a download link).
Europe: Sold by ComiXology. 1,79 € (subscriptions available).
Annual book collections
Each 4 issues will become a book, which you can buy for e-reading or as a trade paperback.
The first volume will be out mid 2019.