For all those Nero Wolfe fans who bought up more than 100 million copies of the late Rex Stout's stories in 27 languages, the sophisticated, corpulent detective is coming back. Bantam Books has contracted journalist-editor Robert Goldsborough to recreate Wolfe, 10 years after Stout's death, in two new novels . . .

The latest report yesterday was that former senator Jacob Javits, who had been hospitalized in New York Hospital-Cornell Medical Center over the weekend with breathing problems, was recovering from a lung infection. The hospital said he was "resting comfortably and is in good spirits" . . .

Lynne Frederick, the widow of the late actor Peter Sellers, has had it with the last Pink Panther film, "The Trail of the Pink Panther." She has gone to court in London seeking to stop further screening of the movie, made after Sellers' death in 1980. The film was made from material discarded from the five earlier films in the Panther series made between 1962 and 1977. Frederick's lawyer accused filmmaker United Artists and director Blake Edwards of seeking to "exploit and take advantage of" Sellers' reputation as a great star. Sellers starred in the films as the bumbling Inspector Clouseau . . .

Royal Watch: According to tattling Stephen Barry, who served as Prince Charles' valet for 12 years, Princess Diana is "fairly scared of the queen" and she and Charles do not get along well with Princess Anne. Barry, who does not especially like Diana and has written two books about the royal family, said in an interview in the latest Woman magazine that Charles and Diana were "as different as chalk and cheese" with only their children keeping the marriage together . . .