‘Ant-Man and the Wasp’ director says the shocking end-credit scene was influenced by ‘Avengers 4’ details

“We went through all these different permutations and it so happened that Christopher Markus and Stephen McFeely were writing ‘Infinity War’ and ‘Avengers 4,’ so there were a couple of key things that we knew were probably going to happen in those movies which led to us being able to tee it up correctly in ours.

“I was concerned that anything that happens has to be true, you can’t do something to Scott Lang that feels out of character, so it was something that we had free rein to decide. Leaving Scott hanging literally and figuratively, that was something we knew we were going to do, but what else happens?”