A sizable portion of the memos found at the following site qualify. It's basically a series of memos sent by Nick Fury to SHIELD and the Avengers in response to various character antics in the Marvel Cinematic Universe.
<a href='http://memosfromfury.tumblr.com/' target='_blank' rel='nofollow'>Memos From Fury</a>
<a href='http://memosfromfury.tumblr.com/' target='_blank' rel='nofollow'>Memos From Fury</a>