You released Silver Banshee, you celestial twit! She was imprisoned for a reason! 
Supergirl (Volume 4) #11 is an issue of the series Supergirl (Volume 4) with a cover date of July, 1997.
Synopsis for "Sound And Fury"
Supergirl inadvertently frees Silver Banshee, who kills four police officers before possessing Mattie Harcourt.
Appearing in "Sound And Fury"
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See Also