The 'Avengers Assemble Pool Challenge' is a viral trend that blends summer fun with the epic scale of the Marvel Cinematic Universe. It typically features a group of friends attempting to recreate the iconic 'assemble' moment from Avengers: Endgame by jumping into a pool in synchronized, albeit often clumsy, fashion. Often accompanied by the heroic Alan Silvestri score, this meme highlights the humorous contrast between high-stakes cinematic heroism and the reality of a backyard pool party. It has become a staple for group-based content, showcasing friendship, failed athletic feats, and the universal desire to feel like a superhero, even if the result is just a massive belly flop.