As you can see from the image above, all you really need is a black cat burglar mask, and a large sack in order to complete the costume, and since you’ll be carrying a bag with you anyway to store all that trick-or-treating candy, the batman costume you now have the excuse to carry an extra-large sack. In an adorable viral video of the proposal on October 3, black panther costume the pair can be seen battling with colorful light sabers watched by more fans dressed as characters from the sci-fi movies.