|Movie||X-Men: The Last Stand|
To make the Cure, Leech was tested on for a few years. He was kept in a room still when the testing was over and they had the battle with it. Shadowcat came to save him and during that, he saved them both with his power to knock Juggernaut out.
- Power Negation Field - Jimmy can create a field that nullifies the superpowers of other mutants.
- Storm - Teacher
- Beast - Friend
- Shadowcat - Savior
- Kavita Rao - Test Doctor
- Warren Worthington II - Test Doctor
- Juggernaut - Enemy