Supergirl is far more than just Superman's long-lost cousin ... Case in point, Supergirl teams up wth the Cassandra Cain version of Batgirl during the "Joker: Last Laugh" arc.

Milly Alcock could potentially debut as Supergirl in the Superman movie, according to fans. Fans claim to have seen Supergirl's figure in Kelex's head in the Superman trailer. Potential narrative ...

A new fan poster for Supergirl: Woman of Tomorrow by Jhonny Geek evokes the first poster for James Gunn's Superman ... is text which reads, "Rise Up," while above the image is more text which ...