Created by Martin A. Bursten and Jack Kirby, the character first appeared as Minerva in Red Raven Comics #1 (August 1940), but was later reintroduced as Thena in The Eternals #5 (November 1976).

2) in 1985 written by Peter B. Gillis and penciler Sal Buscema,[5] and in the one-shot comic called The Eternals: The Herod Factor #1 in 1991.

The city of Athens was apparently built for her, not the goddess, although Thena later allowed it to be conquered by the Spartans in 404 BC.

When Warlord Kro led his armies in an attack on New York City, Thena opposed him to help rescue Sersi.

[8] She watched that Ransak the Reject, a genetically stable Deviant was fighting the horribly mutated but well-mannered Karkas.

[15] In a new conflict with the deviants, Thena meet Kro again and helped him to escape from High Priest Ghaur's control.

[16][6] Some time later a maddened Dr. Damian transformed Ajak into a monster through the use of Celestial technology, sending them to kill Thena and Kro's twin children, Donald & Deborah Ritter.

[20] In the 2006 Eternals title, Thena began as normal woman married to Thomas Eliot with a son, Joey, and a researcher at Stark Enterprises.

In the party, the amnesic eternals were attacked by mercenaries of another faction of Vorozheika government, killing her husband.

The Eternals then embark on a quest to go and recruit the other members who have similarly forgotten their true selves due to Sprite's trickery.

[24] Thena remained one of the Eternals, keeping her (human) child with her in their home after a heated argument with Ikaris.

[26] Later when the Celestials' Final Host arrived on Earth, Thena along with all the Eternals killed themselves after realizing the true purpose for which they were created.

Thena also possesses the ability to manipulate cosmic energy to augment her life force, granting her virtual invulnerability and immortality, the ability to project cosmic energy from her eyes or hands in the form of heat, light, or concussive force and possibly other powers.

Thena has total mental control over her physical form, granting virtual invulnerability and immortality.

In Avengers-Next issue #2, It is revealed that Thor had a daughter in the alternate timeline, who is also called Thena, and possesses her father's storm god powers.