A legend in the comic book world — who was behind some of Marvel and DC’s most memorable characters — has died. He was 76.  Gerry Conway died at his home on Sunday in Thousand Oaks. His wife, Laura Conway said it was from the pancreatic cancer battle that he had been dealing with for a while, the New York Times reported. A statement from Marvel Comics confirmed the passing of the creator responsible for the death of Gwen Stacy in 1973, and the co-creator behind one of the most beloved Marvel anti-heroes, the Punisher.  “On behalf of his family, we are sad to share that Gerry Conway has passed away,” the post on X read.  “Gerry was a tremendous icon in comics who shaped pop culture itself. He was a dear friend, partner, and mentor, and our hearts are with his family and the millions he touched through his work.” On behalf of his family, we are sad to share that Gerry Conway has passed away. Gerry was a tremendous icon in comics who shaped pop culture itself.…