the novel's publication was followed by several companion projects, including two short stories published by chabon that consist of material apparently written for the novel but not included: "the return of the amazing cavalieri" in "mcsweeney's quarterly concern" (2001), and "breakfast in the wreck" in "the virginia quarterly review" (2004). in 2004, a coda to the novel was published separately under the title "a postscript", in "zap! pow! bam! the superhero: the golden age of comic books, 1938–1950". from 2004 to 2006, dark horse comics published two series of "escapist" comic books based on the superhero stories described in the novel, some of which were written by chabon. dark horse comics also published a sequel to the novel, "the escapists", written by brian k. vaughan.