OCT160211 (W) Simon Oliver (A) Pia Guerra (CA) John Cassaday The Poison Truth part five! John's gotten the djinn off his back, at least for the moment. Now he needs Mercury. As they leave English shores behind, it's time for a heart-to-heart as Mercury tells John what happened to her while Swamp Thing was battling the Rot. In Shops: Dec 28, 2016 SRP: $2.99Comic Book is Brand New. Unread in Bag and Board. Front Cover May Vary From Listing Photo.