Here's a Killzone: Shadow Fall combat abilities and equipment tutorial of the Shadow Marshal. The video also shows Marshal's personal combat drone, the OWL and explains how it can be commanded using the touchpad on the DualShock 4.
Killzone: Shadow Fall is scheduled to launch November 15, 2013 in North America, November 29, in Europe and February 22, 2014 in Japan on the PlayStation 4.