Hydra Dash Avengers is a fun and action-packed HTML5 game based on the Marvel universe. Players control various Marvel characters in the game, including Iron Man, Captain America, and Thor. They must use them to defeat Hydra, a fictional terrorist organization. The gameplay is on a scrolling screen, and the characters move automatically, following the player's mouse cursor or finger. The game aims to defeat as many Hydra enemies as possible while avoiding obstacles and collecting power-ups. The screen will scroll continuously, and new enemies and obstacles will appear as the game progresses. To succeed, players must have quick reflexes and be able to anticipate and avoid enemies and obstacles.