Constantine Easter Egg - 2 Hidden Special Features

On Disc 2
Go to Special Features

"The Production from Hell"
Press Enter then at the bottom "Main Menu" highlight it and press left with your Remote(you will see a Cross)and it will unlock The Begining Animation

"Imaging the Underworld"
Press Enter then at the very top Highlight "Hellscape" and press right to unlock a Cross with a circle around it this unlocks Balthazar talk about his fight scene and makeup