New York City Mayor Michael Bloomberg became a bona fide Broadway.com Hot Shot when he joined the lovely ladies of Mamma Mia! at the recent Inner Circle charity dinner, but it turns out that bellbottoms weren’t his only noteworthy costume at the annual event. Not only did he shake his groove thing to ABBA as “Disco Mike,” Bloomberg, proving earlier speculation correct, also channeled Broadway’s latest hero, Spider-Man. Decked out in Spidey regalia, the mayor used his newfound superpowers to battle such evils as “budget bedbugs.” Click on below for a look at Hizzoner's latest star turn!