Dean Cain rails against James Gunn's recent comments about his new 'Superman,' claiming it 'was a mistake' for the filmmaker to link the iconic hero to the immigrant experience.

Rather than give an origin story to the iconic DC hero, Gunn’s film picks up in a world that is well familiar with Superman and has several other heroes flying around as the Justice Gang, an early prototype of what’s soon to become the Justice League.

If you've seen James Gunn's "Superman" and you're wondering what the deal is with Ultraman, we've got you covered. Here's what you need to know.