Thanos: Thanos Returns (Vol. 1) - Marvel Comics

Thanos: Thanos Returns collects the acclaimed run by Jeff Lemire and Mike Deodato Jr. The Mad Titan returns to reclaim his cosmic throne, only to discover that he is dying from a mysterious illness that rapidly drains his power. Taking advantage of his vulnerability, his son Thane plots with Lady Death to wipe Thanos out permanently, forcing the cosmic tyrant to fight for his survival and restore his legacy.