As his friends and loved ones worried about him, Iron Man's most powerful enemy was revealed to be Tony Stark himself ... armored suit powered by an arc reactor, which keeps him alive.

The MCU establishes Tony Stark's death as linked to Doctor Doom, and then things begin to feel less and less like a timeline and more like a fever dream.

Tony Stark/Iron ... village was destroyed by Stark weapons. Stark sticks to his guts and helps create an android, Vision, who saves the world and becomes mankind's best hope for the future.