Summer Glau on voicing Supergirl in Superman/Batman: Apocalypse

Summer Glau discusses why she got nervous while voicing Supergirl in this behind-the-scenes clip from “Superman/Batman: Apocalypse (2010).“ ► Subscribe to our channel: Synopsis When a spaceship splashes down in Gotham Harbor, Batman and Superman encounter a mysterious Kryptonian with powers as great as Superman's. When Darkseid gets wind of this, he has the Kryptonian abducted and brought under his control on Apokolips. It's up to Batman and Superman to retrieve the Kryptonian, forcing them to infiltrate Darkseid's hostile world where superpowerful threats lurk around every corner. This story is based on Jeff Loeb's popular mini-series from the Superman/Batman comic books. Fan favorites Tim Daly (Private Practice) and Kevin Conroy (China Beach) return to their seminal roles as Superman and Batman, respectively. The celebrity-laden guest cast is headed by Andre Braugher (Men of a Certain Age) as the daunting Darkseid. Sci-Fi heroine Sum