Paralyzed by self-doubt and the discovery of the journal, Reed hesitates to treat Kitty. This leads to a violent confrontation on Muir Island , where Wolverine attacks Reed, and Storm is accidentally burned by the Human Torch .

Franklin Richards has a prophetic nightmare about his father turning into Dr. Doom and killing both teams. This leads Sue Richards to discover a hidden journal suggesting Reed intentionally exposed his family to the cosmic rays that gave them powers.

With Reed stalling, the X-Men accept help from Dr. Doom , who offers his medical expertise. The final issue sees both teams eventually putting aside their differences to allow Reed and Doom to work together to stabilize Kitty's condition. Issue-by-Issue Highlights Fantastic Four vs. the X-Men #4 (1987, June) - xmenxpert