Board Thread:Spoilers!/@comment-2153169-20170216190723/@comment-26830263-20170426000617

Finally they answered about Mal-Lily and Will-Ana: http://ew.com/tv/2017/04/25/once-upon-time-vignette-episodes-answers/

But of course I'm not satisfying with this answer. Hope that they'll get the chance to do this vignette episode in Season 7