New allegations from the Amber Heard and Johnny Depp defamation case are coming to light about Jason Momoa’s alleged behavior on the set of Aquaman.

According to court documents released last month and obtained by Variety, Heard, 37, described her costar as “drunk” and “late on set” in notes taken by clinical and forensic psychologist Dr. Dawn Hughes, who was brought on by Heard’s legal team to testify.

Hughes’ notes further state that Heard claimed Momoa, 44, arrived on the set of the DC Studios superhero film “dressing like” her ex Depp, wearing “all the rings.”

In a statement to PEOPLE, DC Studios said, “Jason Momoa conducted himself in a professional manner at all times on the set of Aquaman and the Lost Kingdom. We’re excited for audiences to see the film this December.”

Jason Momoa and Johnny Depp.

MIKE MARSLAND/WIREIMAGE; MIKE MARSLAND/WIREIMAGE

Last year’s defamation trial in Virginia began when Depp, 60, sued his ex-wife for defamation over a 2018 op-ed she wrote that included abuse allegations. After the Pirates of the Caribbean actor won three claims and Heard won one of her three counterclaims, she paid him a $1 million settlement.

During their lengthy legal back-and-forth, Heard testified that her role as Mera in the upcoming Aquaman and the Lost Kingdom had become “very pared down” amid the public attention on her personal life. The franchise’s director James Wan said last month that her character was never intended to be a major part of the sequel.

“I fought really hard to stay in the movie,” Heard testified. “They didn’t want to include me in the film.”

“I was given a script and then given new versions of the script that had taken away scenes,” she added. “They basically took a bunch out of my role. They just removed a bunch out.”

Walter Hamada, then-president of DC Films at Warner Bros., testified in court that there were discussions among producers about a “lack of chemistry” between Heard and Momoa, and that her defamation trial had no impact on the size of her role in the franchise’s second installment. “The character’s involvement in the story was what it was from the beginning,” he said of Mera.

Heard’s talent agent Jessica Kovacevic then testified that she believed the attention the actress received during her televised trial opposite Depp had negatively impacted her career.

Jason Momoa Returns in First Teaser Trailer for ‘Aquaman and the Lost Kingdom’Amber Heard as Princess Mera and Jason Momoa as Aquaman in “Aquaman”.

WARNER BROS/DC/KOBAL/SHUTTERSTOCK

Never miss a story — sign up for PEOPLE’s free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

The new court documents’ notes from Hughes include indications from Heard that Momoa “said he wanted me fired” from the sequel, per Variety.

The notes say Heard alleged that there was tension with Wan on the set of Lost Kingdom, which was filmed in late 2021: “He raised his voice @ me — ‘I can’t even post about Aquaman’ — made it like it was my fault – I said ‘I’m sorry.’ ”

Variety also reports that Elon Musk, former boyfriend to Heard, sent via litigators a “scorched-earth letter to Warner Bros. threatening to burn the house down” if she was cut from the sequel.

Reps for Musk did not immediately respond to PEOPLE’s requests for comment.

Amber Heard Makes Her Acting Return in Intense Trailer for New Thriller ‘In the Fire’

Heard next stars in the film, In the Fire, in theaters on Oct. 13. The film’s director Conor Allyn told PEOPLE that the actress is now “living her best life in Spain with her daughter and just finding happiness in that way.”

Heard, who received death threats during the defamation trial, moved her two-year-old daughter Oonagh Paige from the U.S. to Spain after it ended. “She just had to get out of the U.S.,” a source previously told PEOPLE. “It felt like too much chaos.”