He might prefer to avoid the limelight, but Stratford Caldecott, the Catholic author and publisher, has recently found himself the subject of an international social media initiative that has gone viral. Mr Caldecott, or “Strat” as he is known to friends and family, is the founder of the Second Spring journal and edited the?English version of the Magnificat prayer booklets. In 2011 he was diagnosed with prostate cancer and has weeks to live. A lifelong fan of the Marvel comic books, he had missed out on watching the latest Avengers film Captain America: The Winter Soldier in cinemas because he was too ill and the DVD is not due to be released until August. But his daughter, Sophie, started a Twitter campaign to try to convince the film’s producers to send her 60-year-old