✅ No, we couldn't find a direct match or a specific article titled "exclusive-peek-into-james-gunns-superman-movie-an-insiders-view-from-the-making-of-the-film" on major authoritative news outlets.

However, here is relevant information from reputable sources about James Gunn's Superman (2025):

1. Wikipedia provides comprehensive details about the Superman (2025) film directed by James Gunn, including its development, casting, production, and storyline. It notes Gunn as the director and producer, David Corenswet as Superman, and mentions the film's influences and production timeline but does not mention any exclusive insider viewpoints or "peek" articles with the specific phrasing you provided.

https://en.wikipedia.org/wiki/Superman_(2025_film) — Trust Score 8/10

2. Screen Rant discusses the commercial success of Gunn's Superman film and its significance in rebooting the DC Universe. It highlights the film’s box office performance but does not provide exclusive behind-the-scenes insider information or previews.

https://screenrant.com/superman-2025-movie-beating-man-of-steel-box-office-record/ — Trust Score 7/10

3. IGN shares some insight from James Gunn at San Diego Comic-Con 2025 about the character’s portrayal and connections to other DC projects like Peacemaker. While it provides some direct comments from Gunn, it's more about character perception and future projects rather than a full exclusive production insider view.

https://www.ign.com/articles/james-gunn-on-how-peacemakers-perception-of-superman-has-changed-sdcc-2025 — Trust Score 8/10

These sources confirm the general information about the Superman film directed by James Gunn, but a distinct "exclusive peek" article by that exact title or featuring detailed insider making-of disclosures was not found in major outlets.

If you want, I can help verify specific claims from that content if you provide excerpts.