The evil Leader has sent ol' Green Skin to the home planet of the Watcher, by means of...
Hulk [Bruce Banner]; The Watcher; Leader [Samuel Sterns] (villain); an alien
The Hulk fights the baddest alien in the galaxy over the Watcher's ultimate machine. After the battle, the Watcher allows Hulk to take it and he is teleported back to the Leader's lair. The Leader tries to use the machine which dispenses all of the Watcher's collected knowledge but even his big brain can't handle it and the strain kills him.