You know...I think it would be cool if they put "Man Behind The Mask" in a credits sequence that you can view from the Title Screen in addition to adding The Misfits.
Oh...and...just tossing this out there...
The guy that was the first Jason actor...Ari Lehman...has a band called "First Jason". It would be a little out of place timeline-wise...but "Machete is My Friend" would also be pretty cool to hear in-game.
The Misfits song is from last year so it shouldn't matter now- you're right though, they need to contact Ari Lehman and get a First Jason song in the game. He'd be down. During a Friday the 13th panel I attended last year he was knowledgeable about the game and spoke about it briefly.