Earlier this week, Smallville alum Kristin Kreuk was asked if she would be up for a reunion project, to which she answered with an earnest, "Yeah, absolutely. I've never thought about it, but that sounds like it could be a lot of fun."

Of course, Kreuk isn't the first former cast member of the young Superman series to express their interest in such an endeavor. Both Tom Welling and Michael Rosenbaum, who played Clark Kent and Lex Luthor respectively on the series, have entertained the idea of coming back together to tell more Smallville stories in animated form.

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Even Justin Hartley, who played Oliver Queen/Green Arrow on the long-running show, said he'd be up for a guest stint on Arrow if the role was right. On top of all that, Erica Durance, who played Smallville's Lois Lane, is already guest starring on Supergirl, which means she is obviously willing to continue to be a part of the DC television family.

So far, everyone one of Smallville's main actors who have been asked have indicate they're willing to revisit the roles they famously played. But why stop at an animated series when we could have a full blown crossover with the rest of the Arrowverse?

In many ways, Smallville is the reason the Arrowverse exists in the first place. It's the Godfather of modern superhero shows, and its success opened the floodgates for all manner of televised superhero fare. The series' introduction of Hartley's Green Arrow is what ultimately led to The CW green-lighting Arrow, a series that would, over time, birth an entire television universe of heroes. Now, after seven years of prosperity, four different shows and countless superheroes fighting crime in their costumes, it's more than time for the Arrowverse to honor its predecessor by giving fans something they would love to see: a crossover/reunion episode.

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How could such a crossover come about? Well, that's relatively easy. The Arrowverse, and more specifically the Grant Gustin-starring Flash television series, has established the DC Multiverse as a basic part aspect of its heroes' mythology. Many characters from other alternate Earths have popped up over the years, and some of the main heroes have even visited alternate Earths, like Supergirl's universe or the nazi-led Earth-X. There is nothing stopping the Smallville universe from simply being re-introduced as one of the 52 Earths that constitutes this Multiverse.

With the Flash, Vibe and the Legends of Tomorrow all able to access alternate realities and timelines, any one of them could be what serves as the bridge between the two shows' realities, allowing the casts of both universes to freely interact. Stephen Amell's Arrow could meet with an alternate, older version of himself that just so happens to look like Justin Hartley, Supergirl could meet different versions of not only herself, but her cousin and Lois Lane, and Rosenberg's Lex Luthor could be the villain everyone has to stop together.

Of course, such a project wouldn't be without its complications. For example, both Welling and Rosembaum are more eager to return for an animated project, given that the Lex Luthor actor isn't exactly itching to shave his head. However, a return appearance could easily explain such things as Luthor's hair, or the aging of the characters. In fact, the Smallville universe could be painted as some sort of Kingdom Come-esque reality where the heroes are older, more experienced, and perhaps even being phased out. This would allow Welling's Superman to be a more grizzled Man of Steel, with a costume that would prevent Welling from having to don the classic Superman suit he was never really keen on wearing. In fact, a more practical costume for his older Superman would be just one more layer to ensuring this venture would stand out in fans' eyes.

A crossover between Smallville and the Arrowverse cast seems like a no-brainer, one that really should have happened by now. There is immense possibility for fun interactions, and it would also be a nice way to acknowledge the success of Smallville, and the universe of superheroes it led to. But even more than that, it's something that most fans would love to see. It could easily become a highly-anticipated event, and a milestone of modern television. With most of the main cast members of Smallville willing to return for a reunion of some sort, what better way then to rope the series up into the Arrowverse, and show us a possible future for a dearly departed series.

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The CW's Arrow, The Flash, Legends of Tomorrow and Supergirl are all set to return with new episodes later this fall.