Marvel Ultimate Graphic Novel Collection Issue 98 : Original Sin (Part 1)

For years, the ancient alien known as Uata the Watcher has resided on the moon in peace; a lone sentinel quietly observing the changing fortunes of humankind, yet sworn never to intervene. But when the Watcher is murdered, a cosmic manhunt begins that will inadvertently expose the Marvel Universe's deepest, darkest secrets! Are the Earth's heroes ready to face up to the long-hidden sins of their pasts?

Collecting Original Sin #0–3, Original Sins #1–3