Warning: Contains SPOILERS for Phoenix #10 (2025)The X-Men’s Jean Grey has recently embraced her true calling as the Phoenix, leaving behind her past on Earth to find herself among the stars. In space, Jean has become a god figure who travels the vast cosmos to save the universe from the diverse dangers that often threaten an already unsteady peace. However, a long-thought-dead familiar face from Jean’s past has just emerged to rattle the peace once more.

In Phoenix #10 (2025), by Stephanie Phillips and Alessandro Miracolo, Jean Grey and the Dark Gods, led by Perrikus, wage their final battle within the Nexus of All Realities. Meanwhile, Jean continues to fight to save the young Adani from the corruptive powers of the Dark Gods and their perverse desires for the Phoenix Force.

When Jean finally overcomes the evil deities and frees the young girl, she takes to the stars once more to tend to her “cosmic garden” before the X-Man receives a rogue psychic transmission through the stars from her previously thought-dead sister, Sara Grey.

Grey seems to hold a new position of power in this mysterious domain, as nearby people are seen dropping to their knees to bow before Sara’s presence.

Jean Grey’s Sister Returns After 31 Years

Phoenix #10 (2025) - Written by Stephanie Phillips; Art by Alessandro Miracolo; Color by David Curiel; Lettering by VC’s Cory Petit; Cover Art by Yasmine Putri

Sara Grey was Jean Grey’s older sister and closest friend. As Jean’s powers developed, and she later moved into Xavier’s School, Sara and her sister remained semi-close. However, tragedy eventually fell upon Jean’s sister during the X-Man’s year-long absence, where she was believed to be dead in space following the events of the “Dark Phoenix” saga. In Jean’s absence, Sara and her husband became staunch mutant ers and openly spoke to the public about their for the X-Men. However, after Jean was resurrected, she failed to to tell her family until it was too late.

Very soon after the Phoenix's resurrection, a group of anti-mutant rioters began firebombing the homes of mutant rights ers, including Sara Grey. After seeing her sister’s face on the television, Jean immediately tried to call her sister, to no avail. Initially, it was believed that Sara and her family had fled for their safety, but the true tragedy wouldn’t be revealed until quite a few years later in X-Men #36 (1994). During the “Phalanx Covenant” event, it was revealed that Sara and her husband had been murdered by the anti-mutant fanatic Cameron Hodge before her body was assimilated by the Phalanx.

Sara Grey May Not Have Had Powers, But That Doesn’t Mean She’s Not A Mutant

Her Return Could Debut Her Mutant Powers

For the vast majority of Sara Grey’s existence, the character was believed to be a human. Unlike her sister, Sara never showed any aptitude for mutant abilities, even with Cerebro enhancing Charles Xavier and Jean Grey’s ability to locate mutants. However, the ex-Atlantean Attuma and the Phalanx both eluded that Sara is a mutant and may possess the dormant potential to unlock her long-repressed mutant powers. However, following her death at the hands of the Phalanx, Sara Grey’s genetic mystery would fade into a sombre melancholy, with no hope that Jean would ever see her sister again.

That said, now Sara Grey is back and seemingly free of the Phalanx’s control. However, that’s not to say that Sara hasn’t changed in the years away. Today, Sara lives on an unknown alien planet, lush with dense greenery and decorated with ornate symbols of suns. Grey seems to hold a new position of power in this mysterious domain, as nearby people are seen dropping to their knees to bow before Sara’s presence. It also seems that Jean’s sister is now pregnant, which normally would be a happy boon. However, Sara Grey’s story already has a dark precedent regarding pregnancy.

Jean Grey’s Sister Could Be Pregnant With The Next Phoenix

The Sisters Already Have A Horrifying Past With Pregnancies

In Bizarre Adventures #27 (1981), Jean and Sara are captured by the ex-Atlantean King Attuma. Attuma wished to breed a powerful Atlantean/mutant hybrid like Namor to overthrow the true Atlantean king and steal the throne. To enact this plan, the King kidnapped Jean and Sara and planned to impregnate them to imbue his sired children with the Grey family’s mutant potential and the powers of the Phoenix Force. Fortunately, Jean liberated herself and her sister from this disastrous situation, but it does set up an interesting situation that the current Phoenix series may be leaning toward.

If Sara is a mutant with the same psychic and cosmic potential as Jean Grey, she could on those traits to her children, even if she didn’t manifest her own powers. Although Sara’s first Earth-born children were slaughtered by the Shi’ar military, that hasn’t stopped this mysterious alien civilization from seeking to procure more children. If Sara cannot become a god-like figure as her sister did, perhaps her child could. For now, Sara’s true motivations remain unclear, but given her troubled past and apparent tragic death, the long-lost sister may not be as trustworthy as she appears. Hence, it seems that one of the X-Men’s longest-running deaths has now returned from the grave, and she could pose a significant threat as the Phoenix’s next great adversary among the stars.

Phoenix #10 (2025) is now available from Marvel Comics!