Keith Giffen Oldest to Newest
Countdown 35
Comic Book
Countdown 31
Comic Book
Countdown 27
Comic Book
Countdown to Final Crisis 21
Comic Book
Countdown to Final Crisis 18
Comic Book
Countdown to Final Crisis 4
Comic Book
Countdown to Final Crisis 3
Comic Book
Countdown to Final Crisis 2
Comic Book
Countdown to Final Crisis vol. 2
Graphic Novel
Countdown to Final Crisis vol. 3
Graphic Novel
Countdown to Final Crisis vol. 4
Graphic Novel
Superman vs. Darkseid
Graphic Novel