If you loved Rebel Moon - Part One: A Child of Fire, try Zack Snyder's Justice League
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

Rebel Moon - Part One: A Child of Fire
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Zack Snyder's Justice League
What they share
Both films are directed by Zack Snyder, and they both carry the epic mood tag, and they sit in Action / Adventure territory. If that's the register that drew you to Rebel Moon - Part One: A Child of Fire, the second film will land in a comparable space — through a different lens.
epic
What Zack Snyder's Justice League is
Darkness falls over Gotham, a Bat-signal cuts the night air, a sleek suit lies ready. A world without Superman, a looming catastrophic threat, an alliance forms with Wonder Woman. Snyder's dark vision unfolds.