Enter John Constantine, who after prompting by Mara and the Phantom Stranger, has to team up with Skuld to figure out how to set things right.* ''Comments'': it is mostly a comedy, and plays many things for laughs by pointing out some of the absurdities of both canons, but the story does a great job at mixing the darker world of ''Hellblazer'' with the more gentle world of ''Oh My Goddess'' and man