When intro (probably outro too) is displayed when playing the mission from scenarios, there is a heavy forced blurry filter over the cutscene. In editor the cutscene works normally.
With the bug (scenarios):
http://www.youtube.com/watch?v=f_fzXjLTAWE
Without (editor):
http://www.youtube.com/watch?v=wvHvzULSxcA