ROGER FEDERER vs Spider-Man and Milos Raonic vs Thor? Just another day in Australia…Some of tennis’ top stars have been warming-up for their Australian Open campaign, taking part in “Kids Day” in Melbourne alongside some of the biggest names in the Comic Book world.A hatful of Marvel’s biggest stars, including Spider-Man, Thor and Ant-Man joined Novak Djokovic, Caroline Wozniacki and Co on the court for the day’s festivities.The action-packed day saw a huge turnout – with the crowd treated to exhibition matches, mini-games and even some dancing.The day served a light relief for the likes of Federer – who has seen the pressure on himself ramp-up after a spate of injuries to the likes of Andy Murray.Tennis’ own super-hero looked fresh after leading Switzerland to their third Hopman Cup win – at the expense of Germany earlier this month.Federer will take on former Briton Aljaz Bedene in the first-round of the Australian Open, as he aims to win his sixth title Down Under, having won last year.While Fed is a crowd-favourite wherever he goes, the Swiss star recently had his say on Aussie home-fave – and notorious hot-head – Nick Kyrgios. GOOG FOR YOU Wimbledon beats World Cup, Mayweather vs…