As a kid growing up in Chippawa, Ontario, James Cameron used to run to the drugstore every Friday after getting his allowance and blow it all on Mountain Dew and Marvel comic books. He’d then race home, tear through the new comics, and take out a notepad and try to create his own. “I would never re-draw panels,” Cameron tells Rolling Stone, “but I’d look at them and then do my own. That was always the process. Even at that time, I was trying to distinguish copying from original art.” His art from back then, which was also inspired by horror and science fiction films, included a comic he called…