Natalie Portman won't do Alfonso Cuaron's Gravity after all. Plus Vincenzo Natali's finished a Neuromancer script draft.Alasdair Wilkins10/07/10 9:00am121EditPromoteGo to permalinkLike Angelina Jolie before her, Natalie Portman passes on Cuaron's astronaut epic...but another star's in the running. Vincenzo Natali knows how he wants to depict Neuromancer's cyberspace. Idris Elba's taking on another Marvel role. Wallace Shawn joins Eureka. Spoilers alive!