FICTION Brace yourselves, everyone. Serge Storms has discovered the Internet. In retrospect, we should have seen it coming. The serial-killing hero of Tim Dorsey’s comic crime series has previously taken on Hollywood, cruise ships and hurricanes. Surely, the Web loomed. Now, with “Nuclear Jellyfish,“ Dorsey’s brilliantly, profanely funny 11th novel, Serge storms the digital firewalls meant to keep sociopaths off the Information Superhighway.