Uber #0 was published by Avatar Press on April 1, 2013, as part of a series that began in 2013. Kieron Gillen writes, and art comes from Caanan White, Digikore Studios and Keith Williams. This 52-page issue features Sieglinde, Siegmund, Freya Bergen, Katyusha and Siegfried, among 8 characters cataloged on VerseDB.