...tony stark get blown up. In hulk when they summarized his origin and showed stark tech. In thor when they showed the scientists run him over. In captain america when they found the capsicle and introduced tesseract in tomb. In avengers showing loki come to earth.. Iron man three showed the killian back story. The dark world explained the dark elves. The assault on struckers lab in ultron... Starlirdd obtaining the power orb and dancing to mixtape in guardians..This isntt new ground in antman.