Supergirls

You have a magic stone where you can enter a movie or tv show and bring anyone out from that reality but only 4x. You decided to bring out the 4 versions of Supergirl from Movies or TV shows, Laura Vandervroot, Melissa Benoist, Sasha Calle and Helen Slater. They are all Kara Zor-El and have Supergirls powers but you told them about their realities and all have agreed to come with you to the real world. Though they are no longer Supergirls they Continue to be superheroes and work together to save the world. They even met the actressess that portayed them in real life hense they took the names: Helen Zor-El Laura Zor-El Melissa Zor-El Sasha Zor-El Now there is a powerful entity about to consume your world. You and your Supergirls are all that stand agaisnt the threat