Uncanny X-Men #286 (March 1992) by Marvel Comics
"Close Call!" Part 3 of 3. Guest-starring Sunfire. Story by Whilce Portacio and Jim Lee. Art by Whilce Portacio, Jim Lee, and Art Thibert. Cover by Jim Lee. Colossus has been reunited with his long lost brother whom he thought dead. However, this is only the beginning as the X-Men are swept up in events that will set them against their own.