A supervillain named Hecate appeared in Ms. Marvel

Ms. Marvel

Ms. Marvel is the name of a fictional character appearing in comic books published by Marvel Comics. Created by writer Roy Thomas and designed by artist Gene Colan, the non-powered Carol Danvers debuted as a member of the United States Air Force in Marvel Super-Heroes #13 and as Ms. Marvel—a...

#11-13 (November 1977-January 1978), and was created by Chris Claremont

Chris Claremont

Chris Claremont is an award-winning American comic book writer and novelist, known for his 17-year stint on Uncanny X-Men, far longer than any other writer, during which he is credited with developing strong female characters, and with introducing complex literary themes into superhero...

 and Sal Buscema

Sal Buscema

Silvio "Sal" Buscema is an American comic book artist, primarily for Marvel Comics, where he enjoyed a ten-year run as artist of The Incredible Hulk...

.

Hecate was an extradimensional female humanoid scientist and explorer, who was mistaken for the goddess Hecate

Hecate

Hecate or Hekate is a chthonic Greco-Roman goddess associated with magic, witchcraft, necromancy, and crossroads.She is attested in poetry as early as Hesiod's Theogony...

 when she visited Earth thousands of years ago. She allied with and later opposed the Elementals

Elementals (Marvel Comics)

The Elementals is a fictional organization in the Marvel Universe.-Publication history:The Elementals first appeared in Supernatural Thrillers #8 , and were created by Tony Isabella and Val Mayerik....

 while seeking the Ruby Scarab. She fought Ms. Marvel at the time when the Elementals wanted to control the power of the Ruby Scarab.