I was once again a guest on the ComixLaunch podcast. Tyler James and I discussed many of the nuances of work-made-for-hire agreements, and generally, how best to protect yourself contractually as a creator. Give it a listen. You can find it here: http://www.comixlaunch.com/session096/.
If you want to know more about making comics or running Kickstarter campaigns, you should consider subscribing to the podcast and follow the ComixLaunch page.