Jack O’Connell has joined the cast of ’28 Years Later’. Jodie Comer, Aaron Taylor-Johnson, and Ralph Fiennes were already attached to the highly anticipated sequel to director Danny Boyle’s iconic 2002 horror ’28 Days Later’, with writer Alex Garland also back on board with a new script. And, according to Deadline, the 33-year-old star has been added to the star-studded ensemble. Plot details are being kept under wraps for the time being, but the original movie followed a bicycle courier (Cillian Murphy) who woke up from a coma to find the world overrun by zombies after a virus outbreak. ‘Cand…