The X-Men have a long history of famous rivalries. Whether it's the traditional bedrock of the franchise represented by the philosophical disagreement between Charles Xavier and Magneto, Cyclops and Wolverine's famous feud, or the ongoing mutual hatred between time-travelers Cable and Bishop, Marvel knows how to milk drama out of two people who have so much in common but couldn't be more different.
Source：https://www.cbr.com/shadowkat-firestar-were-destined-to-fight/
