The fastest TD in Super Bowl history was scored by Devin Hester of the Chicago Bears in Super Bowl XLI. It was a punt return from the opening kickoff, which means you better pray for a something similar.
To be eligible for the pizza, you have to sign up for the company's loyalty program, Hut Rewards. In the unlikely event a quick TD is notched, "Pizza Hut will deposit a free medium two-topping pizza into the accounts of Hut Reward members to be redeemed between Thursday, February 8 and Sunday, February 11." You have to sign up before February 4.
In reality, this is basically just a ploy to get millions of hungry and naive sports fans to sign up for Pizza Hut emails. But who knows!? Fireworks could erupt at the opening kick of the game, and it doesn't matter which team wins the coin toss and dashes into the end zone.