Complex sentence: In a 2010 "X-Men" storyline "Curse of the Mutants", Dracula has been killed by his son Xarus, but is resurrected by the X-Men in hopes that he would join them against Xarus.
Split into simpler sentences: In a 2010 "X-Men" storyline "Curse of the Mutants", Dracula is killed by his son Xarus. He is resurrected by the X-Men in hopes that he would join them against Xarus.