To see character designs for the Blob and Beast, simply do the following. Go to the ‘Art Gallery’ menu and highlight the ‘Production Design’ option. Press right on your remote to highlight Wolverine's dog tags. Press enter to see the character designs.

X-Men
To see an amusing outtake in which the X-Men meet another famous Marvel super hero, go to the Trailers & TV Spots menu, then press left on your remote to highlight the rose. Press enter to watch the clip.

X-Men

Links:
Easter Egg by Chris Gould