Today we have the first clip from the upcoming "Escape Plan" thriller, showing a scene in which Arnold Schwarzenegger and Sylvester Stallone stage a fight inside a prison. Check it out below, in addition to two new TV spots. The story follows Ray Breslin (Stallone) who is the world's foremost authority on structural security. He's analyzed every high security prison and has gained a vast array of survival skills. But all Ray's ingenuity and knowledge are about to be put to work in the most challenging test he's ever faced: escaping from the master prison of his own design. "Escape Plan" is directed by Mikael Hafstrom (1408, Derailed) and co-stars Jim Caviezel, 50 Cent, Vinnie Jones, Amy Ryan and Vincent D'Onofrio. It's set to hit theaters on October 18th. Clip: TV Spots:...