Easter egg: Not sure ifs it on the Standard DVD as well, but on HD-DVD on the 2nd disk, when you highlight 'Our World' and press left on the remote, Megatron's head pops up to the right and by pressing enter you view the DVD's credits.
Easter egg: On the "Special Features" menu, go to the bottom and select "More" to bring up the second menu. While on this menu, press Right on the remote to light up the small Bender icon. Press Enter to see the producers' hand-drawn charts of how the different timelines intermix and are resolved.
Easter egg: On disc one highlight the outtakes and press left twice. Spidey's eyes will turn yellow. Press enter and you will be shown a clip about the outtake music.