'Justice League' news: Behind-the-scenes video features Iris West; Concept art reveals different versions of Batman's vehicles

Barry Allen aka The Flash in "Justice League"Twitter/justiceleaguewb

One of the characters expected to make an appearance in "Justice League" was Iris West, played by Kiersey Clemons. Although she was completely cut out of the theatrical release, a behind-the-scenes video features the character in action.

The video, which has since been taken down, features a green screen production of one of the movie's scenes. It involves Barry Allen (Ezra Miller), who, upon seeing that Iris is in danger when her car crashes into a large truck, uses his superhuman speed to burst through a window and save her.

The now-deleted video shows Clemons, dressed as her character, slowly being turned upside down via a rig machine. She is also seen talking to someone who appears to be Miller's stunt double before she is placed right side up by the rig.

Needless to say, fans were expecting to see Iris appear on screen, even just for a minute or two. They, however, were left disappointed when she was completely cut from the film.

It was previously reported that Jesse Eisenberg's Lex Luthor had been cut out of "Justice League" as well, but it turns out, he was part of the film's second post-credits scene. The clip saw him talking to Joe Manganiello's Deathstroke about forming their own league.

Meanwhile, some concept art for "Justice League" recently surfaced online. DC Extended Universe concept artist Joshua Viers released the concept art his ArtStation page. They show early versions of some of Batman's (Ben Affleck) toys: the Nightcrawler and the Flying Fox. The images also offer a peek at what the Parademons could have looked like.

There are five pieces of concept art overall. They also give an idea of how Batman's newest vehicles were brought to life. From the size and function of the Nightcrawler and the Flying Fox, the concept art serves as another reminder that money is not an issue with the Dark Knight, especially when it comes to saving the world.

One particular concept art features a lone Parademon staring at Batman's Nightcrawler, perhaps unaware that it is about to get crushed in the process. Another concept art features a different look for the vehicle's interior.

Viers' version of the Nightcrawler has small robotic arms underneath, with a smaller cockpit compared to what was seen in the movie. The latter did not have robotic arms and had a more spacious cockpit.

As for the Flying Fox, the concept art and what was seen in the movie are very different. Viers' version had giant twin engines at the back, while the movie's version scrapped that in place of a three-story design that carried more equipment.