Each of the pictures shows a character from the X-Men movies, with a colored X superimposed. Identify the characters, using their X-Men names.
The title of the puzzle (and the puzzle itself) consists of 11 Xs. This clues that the colors are all X11 colors. Identify the colors by their X11 name.
The names of the characters and the names of the colors are the same length and share a letter in exactly one position.
Reading the matching letters gives ORORO MUNROE, which is the name of the X-Men character known as STORM.