A Twist of Memory, a Turn of the Mind.
Tony recalls five years ago when he was attacked and captured by terrorists, receiving life threatening injuries. Agreeing to make weapons for the terrorists, he was saved by fellow prisoner Ho Yinsen who installed a magnetic chest plate to keep him alive and helped him realize the deaths his weapons manufacturing has caused. This led to the creation of the mini arc-reactor and, subsequently, Iron Man, but Yinsen sacrificed himself to give Tony a chance to escape. Meanwhile in the present, a race driver named Kawashima, who had broken his legs and desires to drive again, is given cybernetic enhancements on the condition that he kills Tony...