Fans knew he was coming, as James Gunn has long hinted he wanted Krypto in the DCU, and the first trailer for Gunn's "Superman" gives a very big role to the Man of Steel's super-powered canine.

It's a bird, it's a plane, no — it's Krypto the Superdog, the Man of Steel's right ... A rendition of John Williams' classic Superman theme serves as the trailer's soundtrack, underlining ...