HEAT grill to medium-high heat.
THREAD shrimp onto skewers; place in shallow dish. Mix next 4 ingredients. Pour half over shrimp; turn to evenly coat shrimp. Pour remaining half over corn; turn to evenly coat corn.
GRILL shrimp and corn 3 to 4 min. or until shrimp turn pink, turning shrimp occasionally. Transfer shrimp to plate. Continue to grill corn 9 to 11 min. or until tender, turning occasionally. Remove from grill.
CUT kernels from ears of corn; place in medium bowl. Remove shrimp from skewers. Add to corn with avocados, mayo and hot sauce; mix lightly.