The way Cinemark is celebrating, $5 will get you an XL popcorn at all Cinemark theaters in whatever vessel you want to bring it in. So if you do still have the Dune popcorn bucket lying around ...

The theater chain Cinemark invites all popcorn and movie lovers to “Bring Your Own Bucket” on Jan. 19, National Popcorn Day. For one day only, you can bring your own empty popcorn bucket and ...