Weird Smallville Easter Egg Creates A Big Flash Problem

screenrant.com:

An Easter egg in Smallville actually creates a canon issue for its version of the Flash, and it highlights just how poorly the character was treated on the show. For an origin story that focused itself entirely upon Clark Kent's younger years leading up to his emergence as Superman, Smallville certainly branched out into the wider world of the DC universe far more than might have been expected. This was actually one of the show's greatest strengths; by showing how Clark worked with or against not just Superman's supporting characters and villains, but other heroes too, Smallville was able to explore almost every facet of his character.

By telling a story that takes place as part of a wider universe, Smallville helped shape modern superhero movies by setting the stage for shared cinematic universes. To that end, Smallville not only showed Clark becoming Superman, but it also showed the formation of an early Justice League. The team consisted of Clark, Oliver Queen/Green Arrow, Arthur Curry/Aquaman, Victor Stone/Cyborg, and Bart Allen/Impulse. In the comics, Bart Allen goes on to become the fourth Flash, and, as the Smallville character's powers are very much in line with the comics, it follows that the show's version is on a similar career trajectory.

Related: Smallville Had A Unique Guest Star Problem

However, in Smallville season 4, episode 5, «Run», Clark track Bart to a hotel room, where he discovers a number of fake IDs with the names Jay Garrick, Wally West, and Barry Allen — obvious references to the three people to assume the identity of the Flash before Bart. It's also made clear that Smallville's Flash is Bart Allen, but this makes the use of those particular names as aliases a curious choice. It implies that