Comics History 101 (from IGN)

09/26/12 - Captain America 2: who is the Winter Soldier?
03/14/13 - Who are the Guardian's of the Galaxy?
09/20/13 - Who Is Ultron?
11/8/13 - Thor 2 easter egg explained
12/6/13 - Who is Jessica Jones?
12/20/13 - Who is X-Men's Apocalypse?
01/28/14 - Who is Ant-Man?
2/5/14 - X-Men: Days of Future Past Explained
2/20/14 - Wonder Woman Explained
3/14/14 - Who is the Vision?
3/26/14 - Captain America: The Winter Solstice easter egg explained
4/16/14 - Who are the Sinister Six?
4/25/14 - Who is Dr. Strange?

Here's the youtube playlist.