Seeley is also the author of the comic Hack/Slash series, and will participate in the production of the Hack/Slash feature film. It was due to be released by Universal Pictures in 2009.Hack/Slash is now available digitally through Devil's Due Digital.
His Image Comics series, Loaded Bible, gained a great deal of attention for its political theme of Jesus vs. Vampires in a post-apocalyptic Christian-run society.Loaded Bible is also available through Devil's Due Digital.
Seeley pencilled New Exiles and Weapon X: First Class. and he both wrote and illustrated the mini-series Ant-Man & Wasp.