Speculation on Shankar’s Robot 2 is increasing with each passing second. Currently script work is going on and the film stars Rajinikanth in lead. According to the latest Kollywood is abuzz with rumours that the film will star Hollywood hero Arnold Schwarznegger. Rumours on Shankar-Arnold teaming up surfaced when Arnold attended his previous film I audio launch at Chennai. If this turns a reality then craze for Robot 2 will increase further.