Justice League #19

The Sixth Dimension part one! At last, the Justice League has the map to the Sixth Dimension in handand with it, they have the key to saving the Multiverse from utter destruction! But things arent as simple as they seem, because they still need to get to the doorwayand to do that, theyll have to go through the only being in all of existence who can get them there: Mr. Mxyzptlk!