Warner Bros. Pictures surprised their fans and audiences during this year's San Diego Comic Con when they released a full-length trailer for "Justice League." The trailer, as reported by Deadline, showcases a much lighter and upbeat tone compared to the dark and overtly serious "Batman v Superman: Dawn of Justice."

The trailer focuses on Bruce Wayne aka Batman (Ben Affleck) recruiting the metahumans to form the Justice League, with Diana Prince aka Wonder Woman (Gal Gadot) as his support. He first approaches Arthur Curry aka Aquaman (Jason Mamoa) but the offer is rejected.

A later clip then showcases Bruce Wayne waiting for Barry Allen aka the Flash (Ezra Miller) who immediately introduces a youthful and more humorous tone to the trailer. Not only does the Flash immediately sign up but he also geeks out like a regular fan and claims he is in need of friends.

There is also a clip showing Batman, the Flash, Wonder Woman and Cyborg (Ray Fisher) together in a mission. Cyborg immediately points out that he thought Batman was not real to which the latter responds he is real when he needs to be. 

Superman (Henry Cavill) is notably not seen in the trailers although he is shown in the first official image shared by the "Justice League" Twitter account, indicating the character will be revived before the film ends just in time to help the rest of the team fight the main villain, Steppenwolf.

The trailer does give a much closer look at the costumes for the characters, particularly the Flash and Cyborg. Whereas the costume for Flash in the CW series, where he is played by Grant Gustin, appears to be made of rubber the suit in the film appears to be made from customized biker gear and mesh armor. 

"Justice League" opens in theaters on Nov. 17, 2017.