Laura Vandervoort posted a photo with Tom Welling at a recent convention where the two Smallville stars recently appeared.
Fans are invited to pick their favorite guest star from previous Super-projects to appear in Supergirl Season 1.
Preview trailer promoting the Supergirl episode "Myriad" airing on April 11
Supergirl's next crossover will see her teaming up with a classic CW favorite.
Maxima and two former Supergirls appear in the Supergirl episode "Myriad."
Preview clips for the Supergirl episode titled "Solitude" guest starring Laura Vandervoort
Smallville's Supergirl Laura Vandervoort discusses her role on the new Supergirl TV series on CBS.
Laura Vandervoort, who played Supergirl on The CW's Smallville, appears in new Supergirl photos for "Solitude"
Preview trailer for the Supergirl episode "Solitude" guest starring Laura Vandervoort