Captain Boomerang was an enemy of The Flash.

He was one of the super-villains mentioned to have been an enemy of The Flash before the Flash was crippled for life during the attempted assassination of John F. Kennedy.[1]



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Flash Villain(s)
This character, team, or organization, is or was primarily an enemy of any or all of the various incarnations of the Flash. This template will categorize articles that include it into the category "Flash Villains."

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