Spider-Man dropped by the show today to show Ellen how fast and reliable USPS Priority Mail is! Priority Mail is one of the many ways that USPS shows their priority is you. "The Amazing Spider-Man 2" will be delivered to theaters by the United States Postal Service on May 2nd. And like Spider-Man, the US Postal Service delivers speed, agility and reliability. Find out how you can ship things using USPS, here.