Sylvester Stallone

The Guardians must fight to keep their newfound family together as they unravel the mysteries of Peter Quill’s true parentage.

Barney, Christmas and the rest of the team comes face-to-face with Conrad Stonebanks, who years ago co-founded The Expendables with Barney. ...

Each member of a group of people has a connection to a self-help book authored by a reclusive former football coach.