Hugh Jackman, Halle Berry, Ian McKellen, Patrick Stewart and Daniel Cudmore could appear in X-Men: First Class sequelLATEST revelations for the storyline of the X-Men: First Class sequel could see the addition of stars from the previous films set in later years, including Hugh Jackman, Halle Berry, Ian McKellen and Patrick Stewart.The epic tale could be another result of the Avengers Effect that I