(W) Justin Gray, Jimmy Palmiotti
(A) Moritat, Phil Winslade (CA) Ariel Olivetti
• Dr. Arkham and Jonah Hex vs. Dr. Jekyll and Mister Hyde! • Has Dr. Jekyll's formula been fused with the Black Diamond? • Plus: In the backup story, Tomahawk teams up with Tecumseh to turn a last stand into a victory.