Wolverine/Deadpool #21 was published by Panini Verlag on April 1, 2015, as part of a series that began in 2013. Brian Posehn and Gerry Duggan write, and art comes from David Curiel, Edgar Delgado and Irene Y. Lee. It features Spider-Man, Wolverine, Captain America, Iron Man and Thor, among 23 characters cataloged on VerseDB.