Action movie buffs have been waiting for August 13 all year. Why? Because it's the day Sylvester Stallone finally brings his all-star, old-school team of action vets -- a.k.a. The Expendables -- to theaters. For filmgoers, it's 103 minutes of explosive fun; for Stallone, it's just the latest achievement in a successful career that has included some of the most lucrative franchises in history -- as well as plenty of critical highlights.