I've loved this series since it released, and if you know me, then you'll figure I've thought up some things for the series as well. Anyway, on to the topic.
I think [url=https://www.youtube.com/watch?v=SDTZ7iX4vTQ]Pumped Up Kicks[/url] would be a surprisingly good fit for a Borderlands intro.
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Can't remember if borderlands already used this but I think this song would be pretty awesome... https://m.youtube.com/watch?v=jxczVhG0os8 (put it here as well just in case the other link doesn't work)