Avengers: Russo brothers Endgame directors, shared the ideas that would be a very big event if it had happened.
Marvel’s San Diego Comic-Con show, The Avengers: Endgame film directors Joe and Anthony Russo interviewed. In their interview, the directors shared the idea of a story that would disappoint fans if it had happened. They said that at first Thanos was to cut off Captain America's head.
Anthony Russo said, a As soon as he crossed the Thanos time portal in 2014, he would leave Captain America's severed head in front of our heroes. Anthony
Joe Russo says, "3. The whole scenario was complete except for the part because Anthony and I wanted Thanos to throw Captain's head in front of the heroes. We couldn't give up, and finally we said, "Well, if we're not doing this, we need to find something else." After that, everything was as it is now.
The brothers said that this was extremely dark, but that was not a problem, because Thanos was already a very dark character. Don't forget to follow TeknoFizyon to learn more details from Marvel's Comic-Con event :)