T-1000 played Kyle Reese in "The Terminator", in the role with the explanation that Skynet managed to acquire Reese's DNA and use it for a new Terminator. Cameron ultimately dropped this idea after deciding the audience would find it too confusing: eventually casting came down to Robert Patrick, as a deliberate contrast to the original Terminator - Cameron stated "I wanted to find someone who would be a good contrast to Arnold. If the 800 series is a kind of human Panzer tank, then the 1000 series had to be a Porsche." For a more machine-like performance, Patrick had to learn
T-1000 killing him. One is sent to infiltrate the human resistance, the other sent through time to kill John Connor as outlined in the "Terminator 2" movie. In the simultaneously published "Terminator 2: Judgment Day – Cybernetic Dawn", set just after the film, a female T-1000 and two T-800s come to the present to make sure the creation of Skynet happens as planned. In the second crossover between Terminator and Robocop, the T-1000 plays a fairly significant role. It's the same model as from "Terminator 2: Judgment Day". His role is not changed, he still intends to kill John Connor, but