User blog comment:Eobard95/EITHER OLICITY IS COMING BACK OR FELICITY IS DYING!/@comment-26266279-20170424161447

Outcome 3: It means nothing

They both get stuck in a bunker in an upcoming episode called "Underneath", so they are probably just reminiscing about their journey together so far while they try to find a way out and we get some flashback scenes as part of that.