Board Thread:Spoilers!/@comment-24674051-20160927161944/@comment-24674051-20161021165759

looking at the article, I would hazard a guess that the main driving storyline for Robin will be present day, dealing with all the ramifications of what happened when he was 'Crystalized'. Now, that's not to say what the writers may have in store in addition to the present day storyline. They could, if it was relevant, provide some additional story by way of flashback. But anything like that will be supplemental, only there to support the present day line.

As for Wil Traval, he has not been seen present day since we saw him take a serious beating at the hands of Rumple and Lacey. Whether he survived that encounter is still a matter of debate. But it they do go the "no flashback" route, then the answer is likely that we'll see Kevin back in Storybrooke.