Once & Future #6 was published by Boom! Studios on January 1, 2020, as part of a series that began in 2019. Kieron Gillen writes, and art comes from Dan Mora, David LaFuente and German Garcia. This 32-page issue features King Arthur, Merlin, Duncan McGuire, Bridgette McGuire and Rose, among 6 characters cataloged on VerseDB.