Joe Russo added that the "essence" of "Civil War" was used, such as "the concept of registration, the notion that heroes need to be either monitored or controlled because their power can be scary" being applicable.
Joe Russo menambahkan bahwa "esensi" perang saudara "digunakan, seperti" konsep pendaftaran, gagasan bahwa pahlawan perlu dimonitor atau dikendalikan karena kekuatan mereka dapat menakutkan "berlaku.