On the eve of Batman's wedding to Catwoman, two of Gotham City's finest minds clash. In her role as Oracle, Barbara Gordon wired all of her allies together. But when The Riddler takes on Batgirl, will he tear everything asunder? 

Author/Artist: Tim Seeley / Minkyu Jung
Publisher: DC Comics
Pages: 32pp
Size: 7 x 10
Notes: saddle-stitched, full color
Release Date: June 13, 2018