Valkyrie (Marvel Comics)

Valkyrie (also known as Brunnhilde) is a fictional superheroine from the Marvel Comics universe. She is an Asgardian, and mainly a member of the Avengers and the Defenders. She was created by Roy Thomas, Steve Englehart and Sal Buscema, and first appeared in Defenders #4 in February of 1973.

Cosplayer as Valkyrie.

In other media

Since her debut in the comics, she has appeared in numerous media, such as in the Marvel Cinematic Universe, where she is portrayed by Tessa Thompson.