Sylvester Stallone to star in 'Guardians of the Galaxy Vol 2'?

Sylvester Stallone was spotted holding a script and coming out of the hotel where the cast of superhero movie "Guardians of the Galaxy Vol 2" were staying, sparking speculation that he was joining them.
On March 1, Stallone was spotted heading to the movie's set at Pinewood Studio in Georgia, Atlanta and holding what looks like a script, reported Aceshowbiz.
While Stallone's involvement in the Marvel pic is yet confirmed, a photo of him exiting a hotel in Atlanta has surfaced.
The movie's cast have been staying at the hotel while filming progresses. He then got into a car that was usually assigned to the movie's star Chris Pratt.

There's no other detail about Stallone's role, but people are still speculating on who will play Peter Quill's dad.
Kurt Russell, whose casting was confirmed by director James Gunn last month, is the closest bet.
The second volume of the highly-successful superhero movie will continue the team's adventures as they unravel the mystery of Peter Quill's true parentage.
It will arrive in US theatres May 5, 2017.