Hawken no longer works correctly with the Oculus Rift. It worked for a short time with the original dev kit 1 but had some major visual UI flaws where menus were unreadable due to the poor resolution of the display. I don't think anyone has been able to get either DK1, or DK2 to function correctly with the most recent build of Hawken (yeah the one thats almost 2 years old).
So currently the answer to your question is no, it won't work, not without some sort of development. Currently there is a hack to get Vive equipment to work on Oculus enabled games, but its been deemed a hack by Oculus themselves, and they don't support or condone it.
While it is very cool, it is incredibly expensive hardware and a very niche market at the moment. I just don't see the point of companies dumping large research and development costs into something that only pertains to a small number of people at the moment, maybe if it proves itself to be worthwhile and millions of people buy it then companies will be forced to comply or be left in the dust, but I just don't see that happening honestly.
Yes it will be cool and flashy, but in reality will it help Hawken make more money, sadly no.