Countdown to Final Crisis — DC Comics
Issue: #27
The Challengers battle Lord Havok and the Extremists on Earth-8 while Mary Marvel and Eclipso take on Shadowpact. Meanwhile, the Trickster and Pied Piper look to Two-Face for help--but, naturally, it'll all come down to a flip of a coin!
Creators: Mark Waid, Paul Dini, Travis Lanham, Travis Lanham, Keith Giffen, Mike Carlin, Mike Carlin, Mike Carlin, Rodney Ramos, Nick J. Napolitano, Norm Rapmund, Peter Pantazis, Carlos Magno, Elisabeth V. Gehrlein, Ian Churchill, Sean McKeever, Tom Chu, Mark Chiarello
Characters: Batman, Two-Face, Salvatore Maroni, Jason Todd, Darkseid, Enchantress, Buddy Blank, Jimmy Olsen, Blue Devil, Donna Troy, Ultraman, Detective Chimp, Detective Chimp, Nightmaster, Nightmaster, Ragman, Kamandi, Captain Atom, Mary Marvel, Nightshade
Story arcs: Countdown to Final Crisis