Place a large saute pan over medium heat. Let the pan get warmed up, place the butter, zucchini and onion in the pan. Saute and turn the mixture with a spatula until zucchini is tender and onion is soft.
Add the corn and bacon to the pan. Continue to saute and turn mixture until corn is warmed through.
Add the cherry tomatoes and salt and pepper to taste. Cook a minute or two until tomatoes are warmed. Remove from the heat, serve immediately.