Any good superhero needs a sweet mask to keep him/her anonymous while fighting crime and villainy. Depending on how you much effort you want to put into the mask, you could be done in as little as 15 minutes.
I've been meaning to make this Instructable for about a year now, ever since I made the Anti-Negativity Helmet. I finally just sat down for about an hour and cranked this out.
Step 1: Print and Cut-out the Pattern
Here's the pattern for it.
Make sure it is 10.5 inches from end to end of the mask.
Then, you just need to cut it out.