Newcomer to the MCU with Guardians of the Galaxy 2's Pom Klementieff posted an interesting video on Instagram of herself working out with world chamption martial artist and stuntman Jessen Noviello where she included the hashtag "pomantis."
We can speculate that Pom Klementieff is keeping in shape to bring Mantis to the aid of the Avengers against Thanos in Infinity War.
Regarding Pom Klementieff in Guardians of the Galaxy 2, not much is known about the character other than she apparently joins the Guardians. Gunn also released concept art of Mantis, and it's thought we'll get a first look at Pom Klementieff as Mantis in the next Guardians of the Galaxy 2 trailer. Concept art is below.
The Avengers: Infinity War hits May 4, 2018.
"Guardians of the Galaxy Vol. 2" has a May 5, 2017 release starring Chris Pratt, Zoe Saldana, Dave Bautista, Karen Gillan, Bradley Cooper, Vin Diesel, Michael Rooker and Sean Gunn. New cast members include Pom Klementieff, Elizabeth Debicki, Chris Sullivan and Kurt Russell.
Set to the all-new sonic backdrop of Awesome Mixtape #2, "Guardians of the Galaxy Vol. 2" continues the team's adventures as they unravel the mystery of Peter Quill's true parentage.