Batman vs. Deathstroke (2019)

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 stories from the pages of DEATHSTROKE (2016-) #30-35.