User blog comment:ImperiexSeed/Danielle Panabaker confirmed/@comment-24152851-20170122081052/@comment-3423279-20170122114524

That is honestly a weird place of canon to pull from, but I'm all for it.

It would be interesting to see how he plays into the story, and if Wally manages to correct the world back to what it was, or at least closer to what he remembers.