Legends of the Dark Knight — DC Comics
Issue: #10
THE CONSULTANT FINALE! Batman and the Martian Manhunter have discovered that Julian Day AKA The Calendar Man is behind these crimes, all inspired by the Martian Calendar. His intention? To honor an ancient Martian Death God and absorb it's power. Batman and Martian Manhunter will need to pool together their resources to stop his final ritual from happening!
Creators: Brandon Thomas, Deron Bennett, Giannis Milonogiannis, Dave Wielgosz, Jordie Bellaire
Characters: Martian Manhunter, Batman, Calendar Man
Story arcs: The Consultant