Also known as "Super Mario Bros. 4 . After Bowser's previous defeat Mario Luigi and Princess Toadstool decide to recuperate in Dinosaur Land. Meanwhile in Dinosaur Land the Koopa King and his Koopalings trap Yoshi and his friends in enchanted eggs eliminating the opposition as they secretly rebuild their forces.
Shortly upon their arrival the Mario Bros. realize that Princess Toadstool is missing. While searching they find the Koopa Troop army Upon freeing the friendly Yoshi he exclaims that the Koopas have invaded confirming that Peach's persistent captor has indeed returned and taken the opportunity to claim the princess.