He is one of pop culture's most iconic and enduring heroes. Superman first appeared in a comic book in 1938, created by Jerry Siegel and Joe Shuster. A decade later, Kirk Alyn became the first actor to portray the Man of Steel on the big screen.

The best decision Gunn took for Superman was to not make it another origin story. Superman (David Corenswet) has been public in this world for three years and, what's more, Clark Kent is already with Lois Lane (Rachel Brosnahan) and she knows who he really is.

Back in 2018, James Gunn was offered the chance to direct a Superman movie – but he turned it down in favor of The Suicide Squad, which released in 2021.