Mechanically, the Cloak of Displacement only gives a creature disadvantage on attack rolls against you.
Since Magic Missile doesn't require an attack roll be made against, the cloak has no effect on them and the missiles still hit.
Mechanically, the Cloak of Displacement only gives a creature disadvantage on attack rolls against you.
Since Magic Missile doesn't require an attack roll be made against, the cloak has no effect on them and the missiles still hit.