Captain America’s star-spangled shield can stand up against the universe’s most powerful forces all thanks to vibranium. This fictional and nearly indestructible element absorbs and releases huge amounts of kinetic energy. It is also the stuff of dreams for real materials scientists.

The reality of “Brave New World” is that it’s a setup film, which is a thankless task. It’s meant to build to the reassembly of the Avengers and the subsequent release of “Avengers: Doomsday” in 2026. In the interim, Marvel Studios will release films and series setting up their return.

Brave New World” flew into theaters this week, and so did a brand new popcorn bucket. The AMC exclusive shield bucket might not be made of vibranium, but it does have room for a whole lot of snacks. Our intrepid popcorn bucket expert,