Along with a nearly 7 minute long playthrough of the E3 demo, they also sent over a "Choose Your Own Chaos" trailer. Check them out below.
Just Cause 3 is currently scheduled for a December 1st, 2015 release on the PS4, Xbox One and PC.
Just Cause 3 – Official E3 Playthrough:
Just Cause 3 – Choose Your Own Chaos: