The Femmes from the Future find themselves on a world entirely covered by oceans. That’s no big deal, what with Earth 70% covered, but for the desert-born Dejah of Mars, some water wings are needed, stat! Really, though, the endless depths are the easy part… it’s the creatures lurking in the unknown that are the real threat, especially the intelligent ones!

From opposite ends of time, two heroines unite for an otherworldly adventure! Barbarella, the siren of space, meets Dejah Thoris, Princess of Barsoom, and together they must solve a murder mystery that spans time and space in order to find their way home. Leah Williams (Adventure Time Comics, Age of X-Man: X-Tremists) teams with German Garcia (Action Comics, X-men) for a fun, deadly, mind-bending epic!

Exiled from the kingdom of Helium and on the run, Dejah Thoris turns to the Army of Barsoom. Will she be able to survive long enough to solve the mystery of her father’s disappearance? Plus: John Carter explores the conspiracy at home in Helium! Frank J. Barbiere and Francesco Manna continue an all-new story with Dejah as you’ve never seen her before!

Barbarella and Dejah Thoris make their way across the vast, endless waters of the mysterious water planet they find themselves marooned on. But after encountering all manner of never-before-seen creatures, they find there’s not one but two dominant species here…and they’re at war! And if that isn't enough to rattle our heroes, the discovery of just what planet they’re on surely will!

Our spacefaring heroine may have been enlisted by Earth's underground, but that doesn’t mean she trusts her new allies. On the run in an alien city, hunting for a doomsday device that might end a war, Barbarella has to choose a side and stick to it. But it might not be the one you expect...

The peace John Carter brought to Helium and Thark is new and fragile. On the eve of a Red & Green festival to balm age-old hatreds, Dejah Thoris is kidnapped. The ordeal triggers her lingering nightmares of abuse and helplessness at the hands of brutal Tharks. And the kidnapper is nightmare personified: Voro. He caters to a taste some green men never lost: the red meat of Helium women.

The Siren of Space returns for a series of all-new adventures by a dynamic new creative team! Multi-award winning author SARAH HOYT and rising star artist MADIBEK MUSABEKOV are at the controls as Barbarella leaves space dock on a new mission fraught with unseen layers of danger, duplicity and perhaps a dose of romance! Camelot is home to the rich and powerful class seeking escape from an increasingly crowded and decaying galactic empire. Desperate clandestine transmissions from an enslaved underclass bring Barbarella to investigate, uncovering secrets that lead to more secrets—and the distinct possibility that someone knew she was coming. High concept sci-fi meets the greatest aspects of the human soul in a series that will reveal wonders that both terrify and delight, plus covers by fan-favorites LUCIO PARILLO, DERRICK CHEW, BRIAN BOLLAND and more!

Earth's star-crossed daughter is back! When Barbarella wanders into a war zone, the theocratic rulers of Parosia arrest and imprison her. A prison break is brewing, but now that she knows what the Parosians do to their own citizens Barbarella decides to make this fight her own...

The thrilling conclusion to Dejah’s latest adventure! Reunited with John Carter, Dejah arrives in Helium to find the city in the midst of an uproarious revolution! Will she be able to bring peace to her city and find the truth behind the disappearance of her father?

Tardos Mors, Jeddak of Helium, sends Dejah Thoris on a scientific mission to chart air currents and atmospheric density tests. But Dekana Lor, Headmistress of the Royal Academy of Helium, hints at a second secret mission to the princess. And who is this handsome Red Martian prince and why is he suddenly part of the team?