Justice League #22

Synopsis

With the rest of the League in the Sixth Dimension, Mera, Starman, and Jarro struggle against a transformed Mxyzptlk, until the Legion of Doom arrives to aide in the battle with their secret weapon: Bat-Mite. Meanwhile Perpetua recalls how she created the Multiverse and appointed her sons, the World Forger, the Monitor, and the Anti-Monitor to protect it until she was ultimately imprisoned in the Source Wall for trying to twist the Multiverse for her own purposes.