Fire Vs Iron

The Mandarin has been terrorizing the world for months now and no one seems to be able to pinpoint his location until one day a blast from the past approaches Tony Stark asking for help on stopping the mandarins reign of terror. Its up to Tony and the Avengers to stop this new threat with the help of old and new friends, but the closer they get to the mandarin, the closer Tony gets to finding what he had thought lost long ago. Will they be able to meld into the perfect weapon against The Mandarin or will the fire consume them both?