Deletion of Marcus Fenix

Comment: after summarizing. This is excessive detail for an encyclopedia, and verges on wp:gameguide|game guide material in violation of wikipedia policy. See also 
Stance: merge
Cited policy: Wikipedia:Manual of Style (WP:GAMETRIVIA)

Comment: per the above. |largely gamecruft and no assertion of real-world significance
Stance: merge
Cited policy: Wikipedia:Manual of Style (WP:GAMECRUFT)