The first touchdown thrown in Super Bowl 44 was thrown by Peyton Manning to Pierre Garcon in the first quarter.
Miami Dolphins in Super Bowl VI
Rob Lytle was the first player from the university of Michigan to score a touchdown in a Super Bowl. He attended the university from 1973 until 1976.
In Super Bowl XLV, Hines Ward scored the first Steelers touchdown. It was an eight yard pass from quarterback Ben Roethlisberger.