![d - concept art: Prototype (2006 - 2009) | Concept art world, Captain america comic art, Super powers art d - concept art: Prototype (2006 - 2009) | Concept art world, Captain america comic art, Super powers art](https://i.pinimg.com/originals/15/30/00/153000a4b2e783711c906b58b6cff8bb.png)
d - concept art: Prototype (2006 - 2009) | Concept art world, Captain america comic art, Super powers art
![Daily PROTOTYPE on X: "Fun fact: Alex Mercer's name was originally going to be "Alex Tolliver". Artist: Dejan Ostojic. https://t.co/krE4IKSJYg" / X Daily PROTOTYPE on X: "Fun fact: Alex Mercer's name was originally going to be "Alex Tolliver". Artist: Dejan Ostojic. https://t.co/krE4IKSJYg" / X](https://pbs.twimg.com/media/EepuEIqXoAEZI7V.jpg:large)
Daily PROTOTYPE on X: "Fun fact: Alex Mercer's name was originally going to be "Alex Tolliver". Artist: Dejan Ostojic. https://t.co/krE4IKSJYg" / X
![Daily PROTOTYPE on X: "Alex Mercer Concept Art (2007) by Unknown (If anyone knows the artist let me know) https://t.co/TluEjuyzV3" / X Daily PROTOTYPE on X: "Alex Mercer Concept Art (2007) by Unknown (If anyone knows the artist let me know) https://t.co/TluEjuyzV3" / X](https://pbs.twimg.com/media/EU3zxhsWAAIGDNE.jpg)