Jena Malone will indeed appear in 2016's "Batman v Superman: Dawn of Justice," according to The Hollywood Reporter on Friday night, citing "multiple sources." What THR is less sure about is who Malone will be playing, following a day of rumors and speculation that she'll appear as a female Robin -- presumably Carrie Kelley, who debuted in Frank Miller's seminal 1986 comic book storyline "The Dark Knight Returns."

Malone was connected to the film following a Thursday report by central Michigan NBC affiliate WILX, who had been following the film's shooting in the area. The station said that both the actress had been spotted on set, and that the script allegedly included a female Robin. The source used in WILX's report was reportedly an extra for the film speaking on the condition of anonymity, with a digitally altered voice and the camera focused only the individual's hands. The extra claimed a lawsuit of "probably around $5 million" could be brought against someone leaking information from the film.

Following that report, outlets including Variety connected the dots that Malone was potentially playing the female Robin, and that it was most likely the Carrie Kelley character. "Dark Knight Returns," which includes a famous physical confrontation between Batman and Superman, has already been acknowledged as an influence in "Batman v Superman." Two weeks ago, Malone posted a photo on Instagram of her recently dyed-red hair, adding to speculation that she may be playing Carrie Kelley (also a redhead).

Malone has worked with "Batman v Superman" director Zack Snyder before, in 2011's "Sucker Punch." Other credits include "Saved," "Into the Woods" and "The Hunger Games" franchise, where she plays Johanna Mason.

Up until last year, Carrie Kelley's comic book appearances had been limited to "Dark Knight Returns," a story set in an alternate future. In 2013, the character was introduced to mainline DC Universe continuity in the "Batman and Robin" series.

"Batman v Superman: Dawn of Justice," starring Ben Affleck as Batman and Henry Cavill as Superman, is scheduled for release on March 25, 2016. It's the first of at least 10 DC Comics-based feature films scheduled by Warner Bros. from now through 2020.