Deadpool Unleashed #21 was published by Marvel UK/Panini UK on December 1, 2018, as part of a series that began in 2017. Gerry Duggan and Joshua Corin write, and art comes from Scott Koblish and Todd Nauck. It features Doctor Strange, Cable, Deadpool, Punisher and Howard the Duck, among 8 characters cataloged on VerseDB.