I didnt really like his personality, just cause the emo side is annoying. But at the end when he got really angry and started fighting for justice (When he worked for Cross) that's when he really appealed to me. In retrospect, Mercer started as a terrible character but really grew into a new being(?)
Yeah. Not to mention that most fictional characters would be rather surprised - even terrified - at the idea of suddenly gaining Eldrich-like powers, yet Alex Mercer got used to it really fast, and his first impulse was to use them to slaughter everybody on his path in order to learn the truth about what happened to him.
Not to generalize or anything, but that's just a result of fan dumb. Back in the day, some gamers would mock Alex Mercer's character design, likening him to an emo because he is a pale dude wearing a hoodie and a black jacket. Apparently the shtick stuck.
In retrospect, emo wasnt the best word to describe. Angry is much better, selfish can be applied to the REAL Mercer (please excuse any mistakes i make, my brother lost my game so i cant go back and play it)
I think if we play as Heller It'll be a huge battle at the ned with mercer only to have mercer win in some big climatic epiphany type ending. or they'll join up togetehr fight a big bady and Heller still dies.