The ending of James Gunn's "Superman," including the post-credit scenes, liberate the DC Universe from taking superhero storytelling too seriously.

Here's what the post-credits scenes entail and the writer/director's philosophy behind them.David Corenswet) sitting on the moon with Krypto in his arms, looking down at Earth. There is some meaning behind it.

With the release of "Superman," which stars David Corenswet as Superman and Rachel Brosnahan as Lois Lane, the DC comics universe is looking to jumpstart its rivalry with Marvel, which has dominated the box office since 2007.