Guess what? The original novel had no panther girl and no fiancee. Edward never displays the slightest heterosexual interest. Nor does anyone else.
Richard Arlen (1899-1976), who was quite the hunk in his day, made hundreds of movies, mostly two-fisted actioners. Apparently a good number introjected heterosexism into neutral or gay-subtext projects. I've only seen a few:
During the 1950s, Richard Arlen began appearing on tv, mostly in Westerns: Yancy Derringer, Wagon Train, Bat Masterson. He appeared in the buddy-bonding military comedy The Last Time I Saw Archie (1961), but not as one of the buddies (they were Robert Mitchum and Jack Webb).
He died in 1976, after nearly two hundred movies and tv series over a period of 60 years.