October 10 - 13, 2017 CE
Four videos came out, thus beginning the WKM Arc.
10th Who Killed Markiplier? - Chapter 1 &
CORPSE ABDUCTION? Y/N, William, Damien, Abe, Benjamin, Actor Mark and the younger Jims first appear on Mark's YouTube channel.
11th Who Killed Markiplier? - Chapter 2 &
SUSPECT WITH A SHOOTY?! Celine first appears on Mark's YouTube channel.
12th Who Killed Markiplier? - Chapter 3 &
DEMONS JIM, DEMONS!!
13th Who Killed Markiplier? - The Final Chapter &
DUMMY JIM REENACTS GRISLY SCENE!