Anthony Russo admits the difficulty of evolving Marvel heroes

Anthony Russo, co-director of Avengers: Doomsday, said that evolving Marvel's iconic characters is "very difficult". He explained that the process requires measuring every decision against the love creators have for the heroes, just as fans do. "We have to move the story forward while respecting the story that is already loved," he added during a Q&A session after the screening of Avengers: Endgame Encore. Russo reminded that the fandom does not have a single voice - opinions vary widely depending on the characters and their versions. According to Variety, he stressed the need to surprise both creators and the audience.