The first trailer for The Marvels, which brings together Carol Danvers, Kamala Khan, and Monica Rambeau as a cosmic team with interconnected abilities, also shows off an all too brief glimpse at Zawe Ashton's character in the film.
Though it's just a blink-and-you'll-miss-it look, Ashton's character is seemingly revealed as a Kree Accuser, the same role held by Ronan, the villain of 2014's Guardians of the Galaxy film. Ashton is seen wielding the same Kree 'Universal Weapon' wielded by Ronan both in film and in comics, apparently indicating she'll occupy that role in The Marvels.
Ashton's character has yet to be officially identified, but the clue that she's likely a Kree Accuser could point to her identity as Lauri-Ell, a Kree Accuser in Marvel Comics who is also a recurring Captain Marvel supporting character.
In comics, Carol Danvers is part Kree by birth, with a secret history that ties her origins directly into the Kree empire. In recent years, Carol's Kree connection has become far more prevalent in her story, with Carol herself becoming far more involved in Kree politics now that the hero Hulkling (himself half-Kree/half-Skrull) has become the regent of the combined Kree and Skrull empires.
Interestingly enough, Lauri-Ell's backstory ties in directly to Carol's history. In comics, Lauri-Ell is a genetically engineered super-soldier whose DNA comes from Mari-Ell, Carol Danvers' Kree birth mother - meaning that Lauri-Ell is technically Carol's half-sister.
Lauri-Ell first appeared in 2020's Captain Marvel #10 by writer Kelly Thompson and artist Cory Smith in a story tying into the crossover Empyre, which established the combined Kree/Skrull empire.
In that story, Carol meets Lauri-Ell while serving as an Accuser
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