Hughie doesn't have traditional powers in the comics. His strength lies in his determination and the resources he acquires along the way. Sometimes, this leads to him having access to tools or enhancements that give him an edge, but not in a conventional superpower way.
Hughie remains alive in the comics. The creators chose to keep him as an ongoing part of the story, allowing for his development and further adventures.
Well, Hughie's demise in the comics is often a result of a series of intense conflicts and unexpected turns. It might involve powerful villains or unforeseen circumstances that lead to his tragic end.