Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-72.192.213.236-20130731051823/@comment-76.17.53.123-20130731084529

Once you become an Alpha, your eyes become red. They will no longer be yellow or blue.

The same way Peter's eyes are now blue. When he was an Alpha, they were red.

You even see it a few times with Scott. He's on his way to becoming a True Alpha & they flash red then go back to yellow.