"Have you ever been hung in the air by your genitals? I have," joked 'Avengers 2' star Paul Bettany. During the earlier Comic-Con 2014 festivities, Marvel released a slew of concept art-based posters for the film, one of which featured newcomer character The Vision floating above Ultron's many robotic minions, and it turns out the process of transforming Bettany into this sentient being wasn't always seamless. "It’s a very sweaty and hot decision that got made. But it’s really fucking cool."