In 1977, Mego, a toy company that was then famous for producing licensed action figs, released its first round of Wonder Woman dolls based on the iconic TV series (1975-1979) starring Lynda Carter. They included Wonder Woman – with her superheroic costume painted on (literally) and a separate, changeable Diana Prince Navy uniform – as well as her twin sister/”super-foe” Nubia and Major Steve Trevor. This is the commercial that marked their debut, inviting kids to create their own “Wonder Woman Adventures”.
What’s interesting is that Nubia’s Mego doll box “claimed she was ‘direct from her reign of TV terror’ and she was marketed as Wonder Woman’s ‘super-foe'”, yet the character was never actually featured on the 70s TV show.
The original Nubia made her first appearance in the Wonder Woman comics (#204) in February 1973. She too was sculpted from clay by Hippolyta; Nubia from black clay, Diana from white. So the two were to be raised as twin sisters, Amazon warriors equal in strength, ability, power and agility. But as the legend goes, Nubia was “kidnapped by Mars, who raised her, controlling her mind so that she would help him bring down the Amazons.”
Toy industry marketing piece used by Mego in July 1977 as the TV series was moving from ABC to CBS (image via Mego Museum):