Marvel StudiosThe Avengers film of 2012 gave us many wonderful things. Scarlett Johansson beating spies to death with a chair. Everyones favourite walking Oedipus complex Loki, going full Hitler (you never go full Hitler). Iron Man finally saving the day, and being saved in turn by the Hulk hang on. Why did Hulk save Iron Man, again? Ahhh, yes. Because earlier in the movie, the Hulks loveably rumpled human alter ego Bruce Banner had noticeably bonded with Tony Stark. Robert Downey Jnr and Mark Ruffalos nuanced, charismatic performances as genius scientist sex puppies really captivated peoples imaginations. Christened science bros in online memes one week after the US release of the movie, Banner had chemistry with Stark that Gwyneth Paltrow couldnt compete with. Next May well get another job lot of the Science Bros, and theyre guaranteed to steal the movie. Again. Heres how