The 'Hulk giving tacos' meme features the lovable green giant from the Marvel universe, Hulk, played by Mark Ruffalo, offering tacos to the camera. This scene comes from the film "Avengers: Endgame," where Hulk demonstrates his softer side despite his usual destructive persona. The juxtaposition of his massive, intimidating presence and the simple act of offering tacos creates a humorous and endearing moment, widely recognized and embraced by meme creators.