Finally! The World's Deadliest Assassin takes on the Dark Knight himself in Batman vs. Deathstroke.

When Batman discovers a mysterious package containing DNA test results proving that he is not Damian Wayne's biological father, the Dark Knight sets his sights on his son's true father--Deathstroke! But Damian Wayne can't really be Slade Wilson's son--can he? And who sent the package--and why? The ultimate custody battle ensues as the World's Greatest Detective and the World's Deadliest Assassin clash in this instant classic!

The Eisner Award-nominated series kicks into high gear in this standalone hardcover volume of Christopher Priest's critically acclaimed run. Collects Deathstroke #30-35.