Avengers Assemble is the classic rallying cry of Marvel's Avengers, used for decades in comics, animated series and films whenever the heroes unite against a larger threat. The line has become shorthand for teamwork and a dramatic turning point, which is why short audio clips of it circulate widely in fan edits, reaction videos and gaming montages. Its brevity and instant recognition keep it useful long after any single film, especially for creators assembling their own team on screen.