Superman quickly realized that higher cognitive reasoning was not Hulk's strong point. But that light was so strong that he had no doubt that he was talking to something on the level of humans, and being an alien himself, he didn't have a problem with prejudice just because Hulk appeared not to be able to control the amount of damage he did.
"Good idea," he agreed, flashing an Elvis smile of white teeth and blue eyes. Superman looked off into the hazy distance. "I will throw them here." He gave Hulk a very stern look he used with children and stupid kids who wanted to be bank robbers. "Smash. No killing." And with that, he zipped off back toward the glistening city in an instant.
About thirty seconds later, the first of many dead zombies sailed in an arc high through the air, passed over at least half a mile of desert, and started to descend toward Hulk's head. Batter up.