Legends of the Dark Knight — DC Comics
Issue: #5
The Calendar Man’s new obsession lies with the Martian calendar. He’s committing horrific new crimes to appease a Martian death god and take on its power. For Batman to solve these crimes and bring down Calendar Man, he’ll need to call in the Martian Manhunter for help.
Creators: Brandon Thomas, Deron Bennett, Giannis Milonogiannis, Dave Wielgosz, Jordie Bellaire, Jorge Fornés, Ben Abernathy, Riley Rossmo
Characters: Martian Manhunter, Batman, Alfred Pennyworth, Calendar Man