Bad Boss: As happened in the TV series' Skull Mask #3, Skull Mask shoots dead one of his own henchmen to prevent Moonlight Mask from gaining information from them.
Big Bad: Skull Mask, leader of the international spy group.
Compressed Adaptation: The Moonlight Mask TV series' Skull Mask arc, which totaled 72 installments, was adapted into two films.
Evil Wears Black: Played straight for Skull Mask and his henchmen.
Film Serial: Followed by Moonlight Mask - Duel to the Death in Dangerous Waters.
Mooks: Skull Mask has a mix of skull masks like himself and men with fedoras and balaclavas, all wearing black.
