The very American comic book hero has always faced challenges abroad. But Trump's controversial global policies and a China market that’s (largely) moved on from Hollywood tentpoles haven't helped.

It has now been overtaken on the stateside leader board by Gunn's Superman. Starring David Corenswet in the lead role, the well-received film has generated over $400 million worldwide so far. It's sitting at an 83% score on the aggregator website Rotten Tomatoes,

As 'Superman' continues to dominate the domestic box office after two weeks, James Gunn is commenting on the movie's international performance.