Here you go @Jurisdiction
Tommy Monaghan Timeline
14 ABM: Bloodlines, Hlls Htmn, Sffer the Children
15 ABM: Ongoing Series, JLA/Htmn, Lobo/Htmn
16 ABM: WWIII, Ongoing Series
This is all I could find here is a link that includes guest appearances for an issue or two. Hitman (Tommy Monaghan) Chronology - DCU Guide