Originally Posted by
garazza
Like I've been saying, there's been multiple solutions to the Jon age up problem, it's up to DC to just choose one and actually do it. You've heard my House of Brainiac/Convergence theory, a time displaced Jon from before the age up is another.
He's made at least one appearance before. I don't think it's the first time there's been two different versions of the same character from different universes (or timelines) existing at the same time. Isn't that the case with Power Girl and Supergirl? What's another complication to the Superfam?