Michael Condrey has confirmed in a tweet today that the lean feature will NOT be returning in Call of Duty: Advanced Warfare. Infinity Ward introduced a ‘contextual lean’ feature in Call of Duty: Ghosts which allowed you to aim down sights and have your character lean out if you were at the edge of a wall/building.
The movements available in Advanced Warfare are jump, dodge, slide, slam, and other exo-skeleton features previously announced.
@JCQT14 not in AW. Boost, dodge, slam and other new moves. But no lean.
— Michael Condrey (@MichaelCondrey) September 16, 2014