Looks like people are specing that the hooded figure in the coming season of the Mandalorian is Shira Brie who later becomes the female Vader known as Lumiya. Here’s a brief summary of the character from Star Wars Comic Collector…:…
Few characters introduced in the original Marvel Comics run were used outside of the comic and Shira Brie is one of those characters. She started off as a companion pilot for Luke Skywalker in Star Wars #56 which quickly developed into a romantic relationship over the next few issues.
Star Wars #56a - Marvel Comics, U.S. (February 1982)
1st appearance of Shira Brie
Star Wars #56b - Marvel Comics, U.S. (February 1982)
1st appearance of Shira Brie
In issue #61, on a mission which involved Rebel pilots flying TIE Fighters, Luke shoots down Shira’s TIE because the force revealed to Luke that hers was an enemy piloted craft. In Star Wars #63 and we learn that Shira Brie was a spy for the Empire and Darth Vader had rescued her for rehabilitation and training as a dark side user. She would return in Star Wars #88 as the cyborg Lumiya and is defeated by Princess Leia in battle.
Star Wars #88b - Marvel Comics, U.S. (October 1984)
1st appearance of Shira Brie as Lumiya
In the battle against Leia, Lumiya’s cybernetic armor is damaged and she dons a new outfit the next time she is shown in Star Wars #95.
Star Wars #95b - Marvel Comics, U.S. (May 1985)
Lumiya dons new outfit
This time, Lumiya has ditched the Vaderesque cloak and body armor. She is wearing a different headdress, a lighter body suit, and wields a lightwhip. The cover to Star Wars #95 shows the old armor even though she is wearing her new outfit inside. The cover to Star Wars #96 shows the new outfit. She goes on to battle our heroes until the final issue Star Wars #107.
Star Wars #96a - Marvel Comics, U.S. (June 1985)
Star Wars #96b - Marvel Comics, U.S. (June 1985)
In 2006, Del Rey would reintroduce Lumiya in the 9 book series Legacy of the Force . In that story, she is the mentor to the fallen Jedi, Jacen Solo.