If you loved DC Showcase - Constantine: The House of Mystery, try LEGO DC: Shazam! Magic and Monsters
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

DC Showcase - Constantine: The House of Mystery
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LEGO DC: Shazam! Magic and Monsters
What they share
Both films are directed by Matt Peters, and they sit in Adventure / Animation territory. If that's the register that drew you to DC Showcase - Constantine: The House of Mystery, the second film will land in a comparable space — through a different lens.
What LEGO DC: Shazam! Magic and Monsters is
Here's a movie that asked, what if the Justice League, but children? Shazam joins the League just in time for everyone to be infantilized by Black Adam's latest scheme. It is probably good for the target audience.