Nicole Maines is to become the first-ever transgender superhero in TV series Supergirl. Maines, who is an activist and is transgender herself, has been cast as Nia Nal/Dreamer in the series and will be introduced in the fourth series. The series is based on the DC Comics character. Speaking at Comic-Con in San Diego, Maines said: “It seems only fitting that we have a trans superhero for trans kids to look up to.” Maines told Variety: “I want fans to take away an understanding of trans people. We can be anybody, we can be who we want, we can be...