1)  Batman: Prelude to the Wedding: Batgirl vs. The Riddler #1 is a one-shot with a cover date of August, 2018. It was published on June 13, 2018.  August, 2018 Written by Tim Seeley

2)  Batman #44 - “SOMETHING BLUE”! Follow Batman and Catwoman on two separate but parallel paths as their wedding planning kicks into high gear. Selina picks out her dress, and Bruce starts to make arrangements for their new life together—but this being Gotham City, and they being Batman and Catwoman, you can bet that nothing will go as expected! WRitten by Tom King