The social satire “Our Hero, Balthazar” has an incredibly dark logline: A young man named Balthazar (Jaeden Martell), who spends time forcing tears for online videos lamenting gun violence, travels to Texas to intervene with a person who he believes to be a potential school shooter (Asa Butterfield). Despite the pitch-black premise, co-writer and director Oscar Boyson ‘s film has been steadily finding new audiences. After debuting at the Tribeca Festival in 2025, Picturehouse and WG Pictures took a chance on distribution, and a measured rollout began on March 26. Audiences have been steadily growing, and the film begins a nationwide rollout Friday. Not bad for a tonally tricky film about school shootings — one that was challenging to fund, but could find increased word-of-mouth success in a year where A24’s thematically-adjacent “The Drama” became a box office hit . “When you come up with an idea, and you get excited about it, you have to believe that it’s going to be great,” Boyson says.…