As James Gunn’s highly anticipated “Superman” soars into theaters this month, fans can journey into the DC Universe with a new book about the making of the film. Penned by veteran film author James Field,

DC Studios has released another couple of teasers for James Gunn's Superman, one of which shows the Man of Steel fully unleashing his heat vision on some unfortunate

“It was just difficult to figure out where I was going to come from with Superman ,” Gunn said speaking to io9 in Los Angeles last week. “And I think that it really started with my dog in a lot of ways. The idea of putting in Krypto, I think, was the fun part for me, because that was something that we hadn’t really seen in a Superman movie.”