Throughout the Iron Man films (I, II and III) Tony Stark has arc reactors embedded in his chest. In the films they power the electromagnet that prevents. Since his first appearance in the '60s, Iron Man has gone through a huge a device in his chest to keep the shrapnel in his body out of his heart. . any power source would do the same (but wouldn't be nearly as cool!). OK, so at the end of Iron Man 3, Tony had the shrapnel removed from his heart - w. So did Tony get his chest miraculously stitched up or does he still have an. If he does not have this machine type thing in his chest than the posion will get into his heart and kill him. A MRI could very well find the shards, but the magnets would pull the shrapnel out, destroying most of his lungs and heart in the process. Questions Tags Users Badges Unanswered. Every Character Confirmed To Appear In Justice League. Although Tony no longer needs his mini arc reactor to survive in the MCU , we can still see its signature blue glow in the center of his chest when he is suited up as Iron Man. Forums Main boards Gen. Koldito 1, 1 11 I hear they were having baklava. Stane and his suit then fall into the reactor, which explodes, killing and incinerating Stane and his suit. He later uses it to power his Mark I suit, but upgrades to his Mark II reactor and abandons this one. Axelrod - My heart bleeds for you: Maximizer Follow Forum Posts: Veshark Follow Forum Posts: Suicide Squad 2 Targeting Mid Start.