Following the surprise announcement at Comic-Con International that Carol Danvers will battle the Skrulls in Captain Marvel, one of the film's concept artists has shared his design for the shape-shifting aliens.

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This isn't a "leak," as Jerad S. Marantz notes that the art was shown, much to his surprise, during Marvel Studios' Hall H presentation. However, it provides the best look so far at the film's alien antagonists.

Honored to find out this morning that my #skrull designs were shown by the #mcu at #comiccon2017 At first I was afraid that the artwork got leaked and I was a bit panicked, but fortunately it was done on purpose :-) I did these designs while working in house at #marvel on #captainmarvel for the very talented @andyparkart You should all check out his Captain Marvel design. It was also released and is amazing! #marvelcinematicuniverse #marvelmovies #marvel #skrulls #superskrulls #aliens #badguys

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Whether we should draw any conclusions from one of Marantz's hashtags -- #superskrulls -- remains to be seen. As Guardians of the Galaxy Vol. 2 director James Gunn explained (again), Marvel and Fox share the film rights to the Skrulls, which were introduced in 1962 in The Fantastic Four #2. They exist in that same gray area as Quicksilver, the Scarlet Witch and the Watchers, with Gunn noting, "Some specific Skrulls are at Fox."

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It would make sense that Kl'rt, the original and most famous Super-Skrull (who debuted in 1963), would be in Fox's toybox. However, other Super-Skrulls were introduced during Marvel Comics' Secret Invasion, so it's possible that those are in play in the Marvel Cinematic Universe. Or maybe Marantz is simply overly enthusiastic with his hashtags.

Starring Brie Larson as Carol Danvers, Captain Marvel is set in the 1990s, and will draw upon elements of Marvel Comics' Kree/Skrull War.

Directed by Anna Boden and Ryan Fleck from a script by Nicole Perlman and Meg LeFauve, the film also stars Samuel L. Jackson as Nick Fury. Captain Marvel arrives March 8, 2019.