User blog comment:Houligan28/In the first Bioshock trailer, Who was the guy who got killed?/@comment-180.149.221.70-20170304210524

He was Atlas believe it or not play burial at sea 1 and 2 u will understand. bioshock infinite was planned long ago even before the time of bioshock 1.

http://bioshock.wikia.com/wiki/Atlas