In Big Mouth, Nathan Fillion is the celebrity crush of adolescent girl Missy, ... Jeff is a film buff who is full of gratitude that he gets to spout opinions about them for a living.

We don't get much of Fillion's Guy Gardner in the first "Superman" trailer.At the 1:43 mark, we get a shot of his blonde bowl cut and him blasting his Green Lantern ring, and that's it.