Partial Source: Pwinsider.com
Word is that Jericho may feud with Dolph Ziggler up to the Elimination Chamber pay-per-view, and then turn heel. Once Jericho turns heel, he may feud with Ryback, which will include a WrestleMania match.
Keep in mind this is only a RUMOR for now and should be taken with a grain of salt. More as we get it.