From the posted images, I dont see anything wrong.
Just to test something, try this:
Add BeginPlay event in your MyCharcter BP. Use GetPlayerController node to get a reference to your controller. Then call Posses node on it and pass ‘Self’ as the Pawn. Now hit play and see if it works.
If possible could you take a screenshot of Map&Modes settings tab from ProjectSettings window (I am using an older version of Engine 4.4 So it might be different there)