Sylvester Stallone joins 'Guardians of the Galaxy Vol. 2,' Director Explains His Importance
News was dropped at the Marvel Studios panel at SDCC that Sylvester Stallone had joined Guardians of the Galaxy Vol. 2, set to play a key role according to director James Gunn.
Speaking with CinemaBlend, Gunn described it as a "very, very key, improtant role. It's not a huge role. He's a great and key supporting actor." Footage was shown at the panel but is yet to appear online.
The film is out May 5, 2017, and there's always a good chance we'll learn all the mysterious details before then.
Source: Comicbook