Back when crossovers were done to stop evildoers who were really good musicians.
The Flash #123
Nov
25
2019
25
2019
DC Comics Presents #26
Nov
22
2019
22
2019
Batman: Harley Quinn #1
Nov
16
2019
16
2019
Detective Comics #225 (Martian Manhunter)
Nov
14
2019
14
2019
Teen Titans #27-28
Oct
1
2019
1
2019