Rainbow Six Siege is getting a Metal Gear Solid crossover, as Ubisoft is teasing that Solid Snake will appear as a new Operator in Year 11. There were some early signs that Rainbow Six Siege could soon meet the world of Metal Gear Solid. Metal Gear Solid may be one of the wildest crossovers for Rainbow Six Siege so far, but it’s far from the first. We’ll learn more about what this official meeting between Solid Snake has in store February 15. In the meantime, Rainbow Six Siege recently received a massive 10-year update to become Rainbow Six Siege X.