Easter egg: Under Join the Brotherhood (Magneto's side) Go to Features. Then Deleted Scenes. Press "More" until you find the scene called "Henry Warns About Magneto". Highlight it, then press the left arrow to highlight an "X". Press enter and you will get to watch a short 2005 promo for the movie. Under Take a Stand (X-men side), this feature requires you to highlight "X-men land the chopter" then press the left arrow to highlight a "Magneto Symbol".
Easter egg: On the DVD, go to the Special Features menu. Press up twice on your remote. The special features heading should light up with red blood. Press enter and see a brief documentary about the movie and the graphic novel.
Easter egg: Second easter egg on the Region 1 two-disc Special Edition: On the first disc, go to Languages. Place the cursor on "Francais" and press Up once. A red Superman logo will appear next to Brandon Routh's right fist. Place the cursor on this logo and press Enter to access a special cheat code for the "Superman Returns: The Game" video game. Not a traditional easter egg, but an easter egg nonetheless.
Easter egg: On Disc 2, highlight "According to plan", press Left twice. This should highlight a leaf. Press OK to watch how the food was made for the entire film crew.