"When a comic slaps a big, visible \"Crisis Crossover\" logo on the cover, but has only a token Shout-Out to the Big Event that only peripherally affects the plot of the issue in question, that's a Red Skies Crossover. The name's taken from the original Crisis Crossover, Crisis on Infinite Earths. Almost every comic in The DCU was involved, but in many cases, the \"involvement\" was just characters looking up and wondering why the skies were red. See also Wolverine Publicity, Metaplot. Examples of Red Skies Crossover include:"@en . . . . . . . . . "Red Skies Crossover"@en . . . "When a comic slaps a big, visible \"Crisis Crossover\" logo on the cover, but has only a token Shout-Out to the Big Event that only peripherally affects the plot of the issue in question, that's a Red Skies Crossover. The name's taken from the original Crisis Crossover, Crisis on Infinite Earths. Almost every comic in The DCU was involved, but in many cases, the \"involvement\" was just characters looking up and wondering why the skies were red. Since then, most Crisis Crossovers have had at least a few. For example, in Infinite Crisis, a squad of blue cyborgs would rampage through a few panels and then fly off, leaving the characters (and the reader) wondering what the heck that was before going on with the story. This, generally, is good for the book it appears in, getting it the extra readers from the crossover without having to derail its storyline because of it, but bad for the crossover overall, through dilution of the brand. See also Wolverine Publicity, Metaplot. Examples of Red Skies Crossover include:"@en . . . . . . .