He also talks about breaking into comics but if you only want to hear about writing the Marvel stuff go to 38:43. He tells a lot of behind the scenes stuff when it comes to Avengers:No Surrender,No Road Home,etc. An interesting story on a group they had to use due to them being in the MCU and a character he wanted to write but kept being denied. And later, Conan!
https://www.youtube.com/watch?v=oXns_j0Gahc