User blog comment:Thailog/Ep. 205 "Beneath" discussion/@comment-99.137.226.7-20120527055658

In the preview for Bloodlines it looks like Mr. Freeze was using Apokaliptan weapons instead of his usual one agains The Flash/Barry Allen.

Plus it would only make sense if Jay, Barry, and Wally were all in that episode because it is named Bloodlines.