Be it fans or actors, no one can be seen controlling his excitement for the upcoming flick 'Avengers: Endgame.' The excitement reached its epitome when recently, Robert Downey Jr posted a dancing video on his Instagram page.

The actor uploaded a slo-mo video where he can be seen with various 'Avengers' costumes. "For those about to rock, we salute you! Hey Cap, up high! Don't leave me hanging," he captioned the video.