According to Variety, Sony is anxious to get the series started again. to this end, they've hired Tropic Thunder writer Etan Cohen to write the script. At this point there is no deal in place for either Will Smith or Tommy Lee Jones.
The studio, as reported in the story, is looking for franchises. Bond has reverted back to MGM and while there is a chance for another Ghostbusters, the only real viable series they have is Spider-Man.