In Iron Man 3, Tony threw away the reactor because he realized that the reactor was a weapon created by Rocky and that he could not control it. In the movie, Loki was portrayed as an anti-hero who tried to use this weapon to destroy the earth. Tony also realized in the movie that he needed a new reactor to continue his Iron Man career or his life might be threatened. However, in reality, Tony did not act in any other movies. He has always been the Iron Man character in the Marvel Cinematic Universe and has appeared in many movies. Recently, he appeared again in the Marvel Cinematic Universe's Avengers 4: Final Battle to fight to save the Earth.
In Iron Man 3, Tony threw away the reactor because he realized that it was just a fictional technology and that he no longer needed it to save the planet. In the movie, Tony lost his arm in battle, so he needed an alternative energy source to continue fighting. When he realized he no longer needed the reactor, he threw it away. However, Tony did not appear in any other movies in the Marvel Cinematic Universe. He had always been one of the main characters in the Marvel Cinematic Universe and had appeared in many movies. For example, in the Avengers series, Tony had always been the captain's assistant and played an important role in many battles.
In Iron Man 3, Tony dismantled his reactor to avoid the villain's attack, causing him to lose his ability to fly. However, in the movie Avengers: Endgame, Tony reassembled his reactor and used it to launch a missile to save the planet. The movie explained that Tony was exposed to the radiation from the reactor when he dismantled his own reactor, causing serious sequelae to his body. Therefore, he reassembled his reactor in the movie "Avengers: Final Battle" to make up for the ability he had lost and to maintain his health.
Maybe the character's story arc was complete and there was no need for them anymore.
The Arc Reactor was initially created by Tony Stark to keep the shrapnel in his chest from reaching his heart. It was a miniaturized version of a larger reactor he had developed. It became a power source not only for his survival but also for his Iron Man suits, providing the necessary energy for various functions like flight, repulsor blasts, etc.
In some comic arcs, Iron Man removing the arc reactor is indeed canon. This action might be driven by various factors such as plot twists, character growth, or to introduce new challenges for the hero.
Tony Stark became Iron Man after being kidnapped by terrorists. While captive, he was forced to build a weapon. Instead, he created a suit of armor to escape. This was the first version of the Iron Man suit.
Tony Stark became Iron Man when he was captured by terrorists. He was forced to build a weapon for them but instead, using his brilliant mind and the limited resources available in the cave where he was held, he built a suit of armor to escape. This was the first prototype of the Iron Man suit.
Well, it all started when Tony was kidnapped and forced to build weapons. He then built a suit to escape and decided to use his tech for good, becoming Iron Man.
Tony Stark became Iron Man after being kidnapped and forced to build weapons. He created a suit to escape and decided to use his technology for good.
In 'Iron Man 3: A Christmas Story', Tony Stark might be more introspective compared to the other movies. The Christmas aspect could be a trigger for him to look back on his life and relationships. Also, the story might have a different pacing or tone because of the Christmas theme. For example, there could be more moments of calm or reflection in between the action scenes, which is different from the more straightforward action - driven plots of the other Iron Man films.