The original Avengers team assembled in 2012's The Avengers, going on to appear in three more team-up movies, minus Hawkeye in Avengers: Infinity War. The original team memorably consisted of Captain America, Iron Man, Thor, Hulk, Black Widow, and Hawkeye.
AND FROM THAM THE LEGEND TRIO
THOR IRONMAN AND CAPTAIN AMERICA 'S T-SHIRT