It seems that TakaraTomy will be taking matters into their own hands even further with their releases of the Generations Titans Return toys. New scans from a Japanese magazine reveal that Deluxe Hardhead and Deluxe Skullsmasher (renamed as just "Skull") will be released in Japan in the Transformers: Legends line and, according to the prototypes seen in the scans, will in fact feature brand new face sculpts for their Headmaster figures. These new faces are based more closely on the animation models from the Transformers: The Headmasters cartoon, making them far more anime-accurate than the faces of the Hasbro versions.
Here are the Hasbro versions for comparison:
And here is a full head comparison courtesy of Tumblr: