Actor Ben Affleck attends the 52nd New York Film Festival opening night gala presentation of the movie "Gone Girl" at Alice Tully Hall in New York
Actor Ben Affleck attends the 52nd New York Film Festival opening night gala presentation of the movie "Gone Girl" at Alice Tully Hall in New York September 26, 2014. Reuters/Eduardo Munoz

As the shooting of "Batman v Superman" continues in Chicago, several new hints have surfaced. This time they are suggesting the possible addition of new characters. After the appearance of Kahina Double's name on a trailer tape, two more characters' names were reportedly seen on the sets. The two trailers were for Knyazev, a.k.a. KGBeast and Gregor, a.k.a. NKVDemon, according to reports.

According to Movie Web, Filming Chicago tweeted about the two new trailers, with KGBeast and Gregor written on them. KG Beast is the arch nemesis of Batman in the DC comic books. He has been trained as an assassin by KGB. He has mastered many forms of martial arts and can use any deadly weapon present in the world. When he was introduced in the comic book, he was said to have killed more than 200 people. And, NKV Demon is a student of KGBeast and is Russia's deadliest assassin. In the comicbook, he plans to kill 10 pro-Glasnost Soviet government officials. His costume bears resemblance to Deathstroke's costume.

So another trailer said Gregor/Jim. Gregor? Plus KGbeast? Are they really messing with us now? #bvschicago

- Filming in Chicago (@filming_chicago) November 10, 2014

It is being speculated that the new villains may have cameo appearances in the upcoming "Batman v Superman" and their roles may get extended in "Suicide Squad." Moreover, these villains also indicate the presence of Aquaman, as KGBeast recently appeared in the comic book called "Aquaman and the Others."

However, there is no official confirmation about the inclusion of these characters in "Batman v Superman." However, it is being said that director Zack Snyder may be planning to add some new twists to the film. "Batman v Superman" is one of the most anticipated films, scheduled for a release on March 25, 2016. It is also expected to be a major box-office success due to the involvement of some of big names in the industry.

The film already features major DC characters including Batman, Superman, Lex Luthor, Wonder Woman, Cyborg, and probably Aquaman, and according to Screenrant's report, inclusion of too many supporting characters may make the film feel overcrowded.

"Batman v Superman's" official name is "Batman v Superman: Dawn of Justice." This is the first time that Oscar winning actor/director Ben Affleck is playing Batman on the screen. Henry Cavill is reprising his role as Superman and Gal Gadot is playing Wonder Woman. The rest of the confirmed cast members are Amy Adams, Diana Lane, Laurence Fishbourne and others.