Deathstroke

"Nobody defeats Deathstroke. Slade Wilson has killed a Titan, held his own against the God of War and gone punch for punch with Superman and lived to tell the tale. But someone has found the one chink in Deathstroke's armor... Now his daughter, Rose, has gone missing, taken by none other than Harley Quinn. Harley intends to force Slade to make good on an old promise, and her ultimatum is simple: to find his daughter, he'll have to kill Amanda Waller, head of the Suicide Squad and Harley's jailor...