Name: Head Case
Alter Ego: Sean Madigan
First Appearance: Ms. Marvel (vol. 2) #11 (Mar. 2007): "Doomsday"
First Appearance (Additional Details): (Madigan) Ms. Marvel (vol. 2) #11 (Mar. 2007): "Doomsday"; (as "Head Case") Ms. Marvel (vol. 2) #17 (Sep. 2007): "Ready, A.I.M., Fire! Part 3"
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 5
Note: son of MODOK and Linda Madigan
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