MERCURY IV

Universe/Timeline: 
Marvel Universe
Status: 
Deceased
Additional Status Info: 
Category: 
Artificial Lifeform
Nationality: 
German
First Appearance: 
Uncanny X-Men (1st series) #360
Last Appearance: 
X-Men (2nd series) #80
Cause of Death: 
Ceased to exist as an independent being when Cerebro reabsorbed him