Washington: Josh Brolin has reportedly been roped in to do voiceover for Thanos in his upcoming movie ` Guardians of the Galaxy`.
Guardians, which is slated to release on August 1, has Chris Pratt as Peter Quill, the leader of the misfit Guardians, according to reports.
Zoe Saldana, Dave Bautista, Vin Diesel, Bradley Cooper and Lee Pace are the other actors in the film directed by James Gunn from a screenplay by Gunn and Nicole Perlman.
Thanos - a purple-hued alien - was born on Saturn`s moon Titan and is considered one of the baddest Marvel villains of all time, and is part of a group of god-like beings called The Eternalsand .
He also trained Gamora (Saldana) to become an assassin.