When April O'Neil confides with Sacks the existence of the Turtles, he informs the Shredder of just who is opposing the Foot.

When Karai approaches him and informs him of a mysterious vigilante fighting back against the Foot, he orders her to lure in the vigilante. The Shredder is first seen unarmored and unmasked, beating up a Foot soldier with his hands tied up. Teenage Mutant Ninja Turtles Getting the New Armor Under his leadership, the Foot terrorized New York under a hidden base. At some point, the Shredder attained a great degree of power in the Foot Clan, becoming its supreme leader. However, it is known that he adopted and raised Eric Sacks after the latter's father perished in the Vietnam War. The Shredder, born Oroku Saki, has an unknown history. 1.3 Teenage Mutant Ninja Turtles: Out of the Shadows.1.2.4 Final Fight with the Turtles on Sacks Industries Tower and Defeat.1.2.3 Battling with Raphael and Escape of The Turtles.

1.2.2 First Confrontation with The Turtles and Battling Splinter.

What happend to tmnt