Following news from earlier this month that Marvel's upcoming Two-In-One series will star a reunited Ben Grimm (The Thing) and Johnny Storm (Human Torch) attempting to track down the "missing" Reed Richards (Mr. Fantastic) and Sue Storm (Invisible Woman), Alex Ross has shared a "preliminary sketch" of Reed and Sue on his Instagram, fuelling speculation that the duo may be making a comeback.

Since taken down (but viewable on Reddit) the sketch has Reed and Sue in their classic Fantastic Four costumes. Of course, the image could be for a variant cover, a collected edition or retrospective, or simply a pin-up, but it certainly begs the question: Is a Fantastic Four reunion happening sooner rather than later?

RELATED: Marvel Two-in-One Teases Return of the Fantastic Four

In Marvel Legacy's Marvel Two-In-One, the two founding members of the FF will undertake a mission to make their family whole again. While readers know that Reed, Sue, Franklin and Val are perfectly fine, helping to oversee the restoration of reality following the events of 2015-2016's Secret Wars, Johnny Storm and Ben Grimm just know their family is missing.

“It’s Ben and Johnny diving headfirst into the mystery of what happened to [Reed and Sue],” series writer Chip Zdarsky said upon the reveal. “The world presumes that Reed, Sue, and the kids are dead, but Johnny especially can’t accept that fact. So we’re heading on a road trip to find out what happened.”

“[U]nbeknownst to Ben and Johnny, [Doctor] Doom holds the key to finding the missing heroes,” Zdarsky continued. “Writing Doom is insanely fun, and my favorite Marvel book right now is Infamous Iron Man, so it’s great to be able to play with what Brian Michael Bendis and Alex Maleev have been doing with the character.”

Zdarsky went on to promise that readers will see “Ben and Johnny doing what the Fantastic Four always did best: exploring new worlds and universes and trying not to die.”

Take a look at the solicitation for Marvel Two-In-One below.

Marvel Two-In-One #1

  • Chip Zdarsky / Jim Cheung
  • Cover by Jim Cheung
  • "The Fate Of The Four Part 1"
  • THE FOUR ARE NO MORE, SO TWO MUST DO! Something is very wrong with THE HUMAN TORCH and only THE THING can help him! It’s the Marvel Universe reunion you’ve all been waiting for (well, HALF of it, at least!). Plus: What monumental secret has DOOM been hiding since the end of SECRET WARS, and how will it completely change the lives of Johnny Storm and Ben Grimm?

(via Reddit)