In a mixing bowl, combine softened cream cheese and sour cream until smooth.
Add in the shredded cheddar cheese and mix well.
Stir in the cooked corn and diced jalapeños.
Season the mixture with garlic powder, onion powder, salt, and pepper.
Fold in the chopped cilantro gently.
Taste and adjust seasonings as necessary.
Transfer the mixture to a serving dish or bowl.
Cover and refrigerate for at least 30 minutes to let the flavors meld.
Before serving, garnish with additional cilantro or jalapeño slices if desired.
Serve chilled with tortilla chips or fresh veggies.