The Super Shell is a recurring weapon from the 1940 series. It is represented by a large shell icon.
The Super Shell is a strong weapon which fires large shells, possessing double the firepower of the regular shots. In 1943: The Battle of Midway it was possible to hold the fire weapon to fire continuously, much like with the Auto. It returns in 1941: Counter Attack, where it is renamed to Missile, once again firing strong shells. When charged, it would fire missiles which can travel on stage walls. The Super Shell would show up again in 1942: Joint Strike, this time as a temporary weapon found only on specific portions of the stages.
Later titles in the series rename the Laser weapon to Super Shell, though it has no relation with the actual Super Shell weapon.