I found the source of my problem for SuperAgent (http://visionmedia.github.com/superagent/) on Firefox. Not sure if SuperAgent is doing it in its AJAX call or if FireFox is triggering it.
Essentially, every time I make an AJAX call an OPTIONS method is being fired on the URL before the actual AJAX call. Quite annoying since the server currently doesn't support OPTIONS. How can I make a call without it going to crap and re-coding the server?
Thanks