给你一个电影概述，要求你生成一段电影的剧情介绍，并且不能复制电影概述中的任何内容。
“When Tony Stark's world is torn apart by a formidable terrorist called the Mandarin, he starts an odyssey of rebuilding and retribution.”
After a devastating attack by a dangerous terrorist known as the Mandarin shatters his life, brilliant inventor and billionaire Tony Stark embarks on a journey of redemption and reconstruction. Using his intelligence and technological prowess, he designs advanced new armors and prepares for a final showdown with his enemy. But as the conflict intensifies and the stakes grow higher, Stark realizes that he must confront not just his nemesis, but also his own inner demons to truly emerge victorious.