The latest updates and spoilers for the live-action, "Justice League" movie reveals a new TV spot featuring Barry Allen's father, Henry Allen, who is played by "Without Limits" actor Billy Crudup. The trailer also featured Wonder Woman saving innocent civilians in a bank.

Cast member Jason Momoa confirmed that the DC superhero movie will have a post-credits scene and he told BBC Radio 2 (via Screenrant) that moviegoers and DC fans must watch the whole thing until the end to see it.

Post-credits scene confirmed

According to Jason Momoa, moviegoers and comic book fans must watch the whole "Justice League" movie and finish through to the credits in order to see the bonus scene.

"They do, they do," Momoa said. "You've gotta sit through the whole thing and go through the credits... I forgot that it was in the script. It's fantastic."

Traditionally, films from the DC Extended Universe do not offer any post-credit scenes.Warner Bros. Pictures apparently wants to separate themselves from Marvel Studios and their movies. "Suicide Squad" is the only DCEU movie to have ever shown a post-credits scene and it featured Bruce Wayne talking to Amanda Waller about metahuman files in exchange for keeping the Midway City incident a secret.

While Momoa did not reveal what the scene is all about, "Justice League" wull set the events for other movies such as "Aquaman," "Flashpoint," "Cyborg," "Shazam," "Green Lantern Corp.," "The Batman," and more. It is once rumored that the movie will have two post-credits scenes and two Green Lantern [VIDEO] members.

Meet Henry Allen

The new "Justice League" TV spot reveald that Barry Allen visited his father, Henry, from prison. The latter tells his son that he is brilliant and that he could be whatever he wants to be, showing his support to him despite their situation.

In the DC comics, Henry Allen was wrongfully accused of murdering his wife, Nora, and he was sent to prison, leaving Barry an orphan. Barry dedicated his whole life to find his mother's killer and free his father from prison. This was also shown in "The Flash" TV series and Barry found out that Eobard Thawne, a.k.a. Reverse-Flash was responsible for Nora's death.

The Flash will join Batman, Wonder Woman, Aquaman, and Cyborg to fight Steppenwolf and the forces of Apokolips from conquering earth. They will need to find the three Mother Boxes that are scattered around the globe. Two of them are found in Themyscira and Atlantis, while the last one is used to revive Victor Stone.