The video shows Ruffalo, cosplaying as Grunkle Stan from Gravity Falls, posing for a photo with Momoa at this year's NYCC. Ruffalo removes his costume at Momoa's behest, and the two let out a mighty roar before embracing. Ruffalo shared the video on his Twitter.
Jason Momoa will reprise his role as Aquaman in the upcoming Aquaman film, which is directed by James Wan. The film also stars Amber Heard, Patrick Wilson, Willem Dafoe, Yahya Abdul-Mateen II, Temuera Morrison and Dolph Lundgren. The film opens Dec. 21 in the United States, and Feb. 8, 2019, in Japan.
Mark Ruffalo will reprise his role as Bruce Banner/Hulk in Avengers 4, which is directed by Joe and Anthony Russo. The film also stars Robert Downey Jr., Chris Evans, Chris Hemsworth, Brie Larson, Jeremy Renner, Scarlett Johansson, Paul Bettany, Anthony Mackie, Paul Rudd, Elizabeth Olsen, Tom Holland, Benedict Cumberbatch, Chadwick Boseman, Chris Pratt, Zoe Saldana, Dave Bautista, Bradley Cooper, Vin Diesel, Karen Gillan, Evangeline Lilly and Josh Brolin. The film arrives May 3, 2019.