User blog comment:Lemursrule/BLEACH 314 Review: CSI: Karakura/@comment-1432572-20110323115008/@comment-893506-20110323232915

Yeah, I don't see it being him. Yes, it looks similar to him, and the animation has been changing since then, but it seems highly unlikely that the anime staff would magically bring him back from the dead for a one-shot episode.