Board Thread:Show-Related Questions and Answers/@comment-33386384-20180313184805/@comment-25491743-20180313202950

I think Mjonir is more of an easter egg than anything. We assume it to be Thor's hammer for obvious reasons, but it wasn't actually brought up, so I don't really count it.
 * How did the Once Upon a Time book appear to Snow, and why at that particular time
 * How did Cruella get to the EF (not really important tbh)
 * What was that wolf that stopped Emma from leaving Storybrooke
 * What became of the other witches of Oz
 * Why do the stories from our world, pre-date the characters histories by hundereds of years
 * Why are there multiple versions of a character
 * How does the Wish Realm work