The publisher has released a promo for Fear Itself: The Fearless depicting the Asgardian demi-goddess battling against the superhero team.
The image, which bears the caption: 'Defeat the FF, Save the World', is thought to be Mike Deodato's variant cover for the first issue of the comic.
Fear Itself: The Fearless is written by Matt Fraction, Cullen Bunn and Chris Yost. It features artwork by Mark Bagley and Paul Pelletier with a cover design from Arthur Adams.
The Fearless spins out of Marvel's company-wide 'Fear Itself' event and will run for 12 issues. Valkyrie will play a major role in the storyline, alongside Sin, Namor the Sub-Mariner, the X-Men and The Thing.
Fear Itself: The Fearless arrives in stores on October 19.