And of course, Gunn's own brother Sean Gunn, who plays Maxwell Lord in Superman, portrayed Rocket Raccoon's physical motion capture performance as well as Kraglin, the Ravager turned Guardian who inherits Yondu's special arrow.

The writer/director of this summer's "Superman" and the co-head of DC Studios offers a peek behind the curtain.

James Gunn has confirmed Superman's full cast hasn't been revealed yet The co-CEO of DC Studios won't say who else might appear I'm convinced that another superhero will show up, albeit in a cameo role Superman is less than a month away from flying into theaters and,