Civil War The most influential character in the MCU

[Bantam99]

Is captain America. Look what happened after the winter soldier. Shield completely shut down and even the TV show agents of shield was affected.

Spoiler...

After Civil War, he changed the whole dynamic of the team. No other characters in the MCU makes an impact like CA.

 

[David H.]

He was the first avenger.

 

[frostanon]

Along with Tony.