Mayor Grom #3 was published by Bubble on December 1, 2012, as part of a series that began in 2012. Artyom Gabrelyanov and Evgeny Fedotov write, and art comes from Alexandra Schastlivaya, Konstantin Tarasov and Yuliana Popova. It features Major Grom, Julia Pcholkina, Dima Dubin, Plague Doctor and Kirill Grechkin, among 12 characters cataloged on VerseDB.