Williamson, Joshua
Summary: During the unforgettable events of DC UNIVERSE: REBIRTH, Batman found a mystery he can't even begin to solve--a strange bloodstained smiley-face button embedded in the Batcave wall. All analysis suggests the button is not of this universe ... so where did it come from? And who left it here? These are questions only the Flash can help answer. When the button is stolen by Reverse-Flash, Batman...
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Publisher / Publication Date: DC Comics 2017