Spirou #3855 was published by Dupuis on February 1, 2012, as part of a series that began in 1938. Guillaume Bianco and Jean-Michel Thiriet write, and art comes from Antonello Dalena, Cecilia Giumento and Libon. This 52-page issue features Agent 212, Aria, Nelson, Badger and Parker, among 11 characters cataloged on VerseDB.