The title was announced in July at San Diego Comic-Con, but the Y: The Last Man and Runaways writer did not reveal the details of the comic.
"The series won't launch until next year, so right now, I just want to put the book on people's radars without giving away too much," Vaughan told Newsarama.
"I can say that it's a story about what it's like to start a family during a time of perpetual war, so it's both very personal and very political, but it's also got spaceships and dragons and,,,robot boobs, so it hopefully won't be entirely boring and self-indulgent."
Vaughan, who has written for Marvel Comics, Vertigo and WildStorm in the past, explained his move to Image Comics for the creator-owned title.
"I'm at Image because of how cool Eric Stephenson and Robert Kirkman have been to [Saga artist Fiona Staples] and me, and how supportive I've seen them be to other creators like Near Death's Jay Faerber, who's been yelling at me to try something truly independent and creator-owned with Image for years," he said. "I'm nervous, but excited, too.
"I don't think people should support work just because it's creator owned. There are some pretty shitty creator-owned books out there.
"That said, I do think writers and artists tend to do their best work on creator-owned books because nothing is as creatively, emotionally, and - surprisingly - financially rewarding as working on characters that you helped bring into this world."
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