Marvel's "Avengers: Infinity War" will boast a sprawling ensemble of actors from across the Marvel Cinematic Universe, from Tom Holland's Spider-Man to Benedict Cumberbatch's Doctor Strange to Zoe Saldana's Gamora among those confirmed to assemble with Earth's Mightiest Heroes. But is the cast adding another player from "Guardians of the Galaxy Vol. 2"?

RELATED: "Avengers: Infinity War" to Begin Filming Next Week

Pom Klementieff, who debuts as Mantis in the "Guardians of the Galaxy" sequel, posted a photo to her Instagram account of the cover of Marvel's "The Avengers" #123, featuring her comic book counterpart surrounded by Iron Man, Scarlet Witch, Black Panther, Thor and The Vision. It's worth noting that all five heroes have starred in the MCU, and are likely to appear in "Infinity War."

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A photo posted by Pomin8r (@pomin8r) on

While this doesn't confirm Mantis will be in "Infinity War," it's worth noting that the upload has the geolocation of Atlanta, where filming is expected to begin as soon as today.

Created by Steve Englehart and Don Heck, the comic version of Mantis is a half-Vietnamese, half-German woman who was left with the Priests of Pama, a sect of the Kree, as an infant. These Kree, who believe her to be the Celestial Madonna, taught her martial arts. She possesses the ability to instinctively sense weak points in an opponent as well as superhuman strength. "Guardians 2" writer/director James Gunn has stressed that Peter Quill will remain the only true Earth-born human in the cast, so it’s likely that Mantis’ Earthly origins will be altered in a fashion similar to how Drax’s were for the first "Guardians."

Directed by Joe and Anthony Russo, "Avengers: Infinity War" arrives May 4, 2018, followed by an untitled sequel on May 3, 2019.