EntertainmentMoviesAction MoviesMarvel MoviesAvengers: Secret WarsJosh Brolin is open to returning as Marvel villain Thanos if the idea is right, and says he “would do anything that the Russos wanted"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentMoviesAction MoviesMarvel MoviesAvengers: Secret WarsJosh Brolin is open to returning as Marvel villain Thanos if the idea is right, and says he “would do anything that the Russos wanted"When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Disney / Marvel) Thanos star Josh Brolin has madeno secret that he’d be open to returningas the Marvel villain, but now that the Russo brothers are back to directAvengers 5andAvengers 6, it seems more likely than ever. Speaking toColliderat New York …