Arnold Schwarzenegger and Sylvester Stallone are 80s icons and legendary action heroes. Everyone knows that. They battled the box-office back in the day but have recently taken to teaming up in multiplexes. They shared some geek-gasm worthy screen time in The Expendables and will be running and gunning together in its sequel. But information on the upcoming thriller The Tomb will have them teaming together, possibly, against the prison warden (played by Jim Caviezel) as well as many irate inmates. Taking the reigns for this will be Mikael Hafstrom (1408, The Rite). The Film Stage has info on the project including a great audio clip from Mark Canton who produced 300 and this year’s…