I've really got mixed feelings about this, because on one level I enjoyed the issue and thought it was well written, and I enjoyed seeing some of the actual dialogue from Flash Comics #1 in places where some of the scenes were recreated. On the other hand, I prefer blind chance and Jay's moral character making him into the Flash rather than some plot by an evil scientist, and I really dislike retcons that mess with long-established origin stories like this. I don't mind stuff going on around the fringes, which is what we got with Flash Comics #104 and the Rival, but this issue makes the villain responsible for the existence of original Flash. Maybe something in issues 5 and 6 will convince me that this was a good route to take with the story. I do like Jay's slowed aging getting recognized, since he's around 104 at this point and still pretty spry for a cool old guy.