NUMBER@1 -LRB- also known as NUMBER@1 : X-Men United , X-Men NUMBER@2 : X-Men ORGANIZATION@1 and X-Men NUMBER@2 -RRB- is a NUMBER@3 superhero film based on the fictional characters the X-Men .

NUMBER@1 -LRB- known as X-Men NUMBER@2 : X-Men ORGANIZATION@1 in advertising -RRB- is a NUMBER@3 superhero movie .
