Image sources:

• – Joker:
  http://resources3.news.com.au/images/2008/07/29/va1237321706367/Real-life-Joker-arrest-6169398.jpg
  http://www.comicbookdaily.com/wp/wp-content/uploads/2009/09/kj.jpg
  http://img64.imageshack.us/img64/2236/seriously.jpg
• – Wolverine:
  http://img441.imageshack.us/img441/6803/wolvieu.jpg
  http://weeklyrot.files.wordpress.com/2009/04/wolverine14.jpg
  http://www.calfinder.com/assets/images/blog/cardboard-box.jpg
• – Magneto:
  http://img444.imageshack.us/img444/6792/magz.jpg
  http://img821.imageshack.us/img821/5286/andgoooooo.jpg
  http://img444.imageshack.us/img444/7070/17522448.jpg
• – Spiderman:
  http://i.dailymail.co.uk/i/pix/2010/02/15/article-1251157-084C86DF000005DC-204_468x286.jpg
  http://img203.imageshack.us/img203/7803/yeaaa.jpg
• – Aquaman:
  http://slices-of-life.com/wp-content/uploads/2008/02/human_aquaman.jpg
  http://newsimg.bbc.co.uk/media/images/41385000/jpg/_41385693_blaine_enters_afp416b.jpg
  http://lucianogalasso.files.wordpress.com/2010/03/aquaman.jpg