The year is 1980. Charles Xavier and Eric Lenchner are co-leaders of the superpowered team of youngsters known as the X-Men. After a battle against the villainous Sebastian Shaw, which leads to Eric violently murdering Shaw in front of the X-men. Charles and Eric can’t decide on how to teach the mutants, leading to Eric and some of the other members to split from the X-men forming the Brotherhood. This is set to be the origin story of the MCU’s version of the X-men, similar to First Class.
