If you get a little lost in HBO Max‘s lineup of movies in December, it’s understandable.

There are a lot of options to choose from, even if you’re looking for great movies that you just didn’t love enough to buy on Blu-ray when you had the chance.

Regardless, the Watch With Us team has chosen the three underrated HBO Max movies you should watch in December.

Our picks for the month include an intense action thriller, the king of all mockumentaries and one of the best superhero movies anyone has ever made.

26 Best Movies on HBO Max (December 2025): 'The Family McMullen' and More

‘Atomic Blonde’ (2017)

If you thought Charlize Theron was good in Mad Max: Fury Road, then you’ll be impressed with her performance in Atomic Blonde as MI6 agent Lorraine Broughton, who can hold her own in any

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