Amateur_keyboard
1) Yes, because if the shrapnel was removed tony would not need to improve the arc reactor since he would no longer need it to survive. He also would not need to discover the new element since he would no longer be poisoned. 2) Yes, all 3 films happened within a 3 day time period from the 30th of may to the first of june.
Soal_San:1. Do you have an in universe reason that she didn't use the op-op no mi to remove the shrapnel from Tony? 2. Did you know that the events of Thor and Hulk happened in the same week?