Read more about Proxima Midnight at: Wikipedia

Official Site: Marvel

Proxima Midnight is a fictional supervillain appearing in American comic book published by Marvel Comics. She is a prominent member of the Black Order, a team of aliens who work for Thanos.

The character appeared in the Marvel Cinematic Universe film Avengers: Infinity War (2018), portrayed by Carrie Coon and Monique Ganderton through voice acting and motion capture respectively; the latter reprised the role in Avengers: Endgame (2019).

The character was created by Jonathan Hickman. She first appeared in a one panel cameo in New Avengers #8 (September 2013). Her first full appearance came later that month in Infinity #1 (October 2013), which also features the first appearance of the Black Order.

Proxima Midnight is a member of Thanos' Black Order. Thanos chose her for her expert combatant skills. Proxima is the wife of fellow Order member Corvus Glaive. She was sent to Earth to retrieve an Infinity Gem from Namor, but came into contact with the New Avengers. She battled Spectrum and Luke Cage where she found herself evenly matched. She was humiliated by Thanos' disapproval of her actions as well as the fact that Namor did not actually possess the Gem. Proxima and the rest of the Order were directed by Namor to Wakanda to search for the Gem, but were distracted when Ebony Maw revealed the location of Thane, Thanos' son. Thane wanted nothing to do with his father and imprisoned him and Proxima in amber where they were taken to Necropolis.

Proxima Midnight has not been a contender in any CBUB matches.