Board Thread:General Discussion/@comment-26159109-20190208090247/@comment-1581533-20190208175426

Maybe the mark disappeared after Philip's soul had been taken? Perhaps it's a life for a life.

Anyway Will is seen wiping a tear as Emma asks him about Anastasia, and he is supposed to be heartless before he returns to Wonderland, meaning the spin off still takes place in Season 2 (correct me if I'm wrong).