Lobezno #21 was published by Panini España on September 1, 2007, as part of a series that began in 2006. Jimmie Robinson and Marc Guggenheim write, and art comes from Carmine Di Giandomenico and Humberto Ramos. It features Spider-Man, Wolverine, Captain America, Iron Man and Thing, among 29 characters cataloged on VerseDB.