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The X-Men are put at risk of secondary mutation when the Blackbird is attacked by a bat-like creature showing dangerous signs of Damon-Hall Syndrome.
First Air Date : Apr 01, 2011
Last Air date : Jun 24, 2011
Episode : 12 Episode
Season : 1 Season
Runtime: 24:14 minutes
Studio: ANIMAX
Country: Japan, United States of America
