Monday saw The Avengers: Infinity War start filming as the Russo brothers posted an image on Facebook along with: "Day #1 of Infinity."
In addition, Sean Gunn, brother to Guardians of the Galaxy 2 director James Gunn, took to Instragram to confirm his character, Kraglin, will be a part of The Avengers: Ininfity War.
"Starting work on a new project. It's secret, though. I can't say what it is," Sean Gunn teased along with a photo of himself wearing a The Avengers: Infinity War winter hat and holding an Avengers mug.
James Gunn even joked in the comments, "It's Jurassic World 2, isn't it?"
Kraglin will also be featured in Guardians of the Galaxy 2, which hits May 5th.
The Avengers: Infinity War has a May 4, 2018 release starring Josh Brolin as Thanos. Marvel Studios has yet to officially announce the cast, but the following are thought/confirmed to be a part of the movie: Robert Downey Jr., Chris Evans, Chris Hemsworth, Mark Ruffalo, Scarlett Johansson, Jeremy Renner, Cobie Smulders, Samuel L. Jackson, Sebastian Stan, Chris Pratt, Zoe Saldana, Karen Gillan, Dave Bautista, Bradley Cooper, Vin Diesel, Paul Rudd, Elizabeth Olsen, Paul Bettany, Chadwick Boseman, Benedict Cumberbatch, Benedict Wong, Tom Holland and Brie Larson.