The actor playing Guy Gardner in James Gunn's DCU has a long history of playing Green Lanterns in animated form.

Guy Gardner makes his DCU debut in James Gunn's Superman, but what are his "all-encompassing" vows he mentions as a member of ...

Nathan Fillion is willing to do what no Green Lantern has done before on screen: drop “F-bombs.” The Firefly and Castle actor plays the hot-headed, bowl cut-haired Guy Gardner in James Gunn’s PG-13 ...

Nathan Fillion discusses his role as Guy Gardner in Superman, teasing the rivalry between Green Lantern and Superman. Fans ...

There’s a new DC universe in town that’s being kick-started by James Gunn’s “Superman” this weekend. Headlined by David ...

There’s a new DC universe in town that’s being kick-started by James Gunn’s “Superman” this weekend. Headlined by David ...

Nathan Fillion Reveals Biggest Challenge of Starring as Green Lantern in ‘Superman’ Involved the Bathroom (Exclusive) ...

As Superman flies onto our screens, it also kicks off the theatrical arm of James Gunn 's new cinematic universe. The movie, ...

In the new 'Superman,' the Justice Gang is a very big deal. Here's what to know about Guy Gardner, Hawkgirl and Mister ...

Isabela Merced will portray Hawkgirl in James Gunn's Superman, while Aaron Pierre will bring John Stewart to life in HBO's ...

A new collectible gives fans their first close-up look at the Green Lantern ring wielded by Nathan Fillion's Guy Gardner/Green Lantern in "Superman". Pictures of the ring were shared on the social ...

Chances are you’ve seen the promos for the new “Superman” movie and wondered, “What the heck is going on with Nathan ...