Sir Lancelot (Night at the Museum)

Sir Lancelot is the main antagonist in the upcoming film, Night at the Museum: Secret of the Tomb.

He will be played by Dan Stevens.

In History
In real life history, Sir Lancelot was one of King Arthur's Knights of the Round Table. He was considered to be one of Arthur's greatest knights. It is possible that his affair with Arthur's wife and queen, Guineveire, had corrupted him into the darkness.

Trivia

 * On July 27, a scene where Sir Lancelot presumely works with Larry to save the day, or he is probably blackmailing Larry to help him.