Where and how, its all here.
Other TAAoCS Guides:
Its in your closet. lol
Superhero Helmet / Mask
You need foil for helmet, take one in the kitchen on shelves.
If you dont want to have foil on your head - you should use halloween makeup! Check shelves in right corner.
What kind of superhero you are without armor?
If you have chosen Heavy armor - you should use cardboard box out of beer, that kind of garbage you can find on dad's car.
Light armor? Check dad's room. There is a sport bag, your armor is right inside it.
Don't forget to paint it
Use paint in the garage.
Garage key is on the wall near the door in kitchen.