By scanning the Callie & Marie Amiibo, you can unlock the Hero Replica Outfit and Armor Replica Outfit, respectively. However, you must complete Single Player mode first to unlock their respective gear sets.

Item	Location
Armor Boot Replica	Complete the Single Player campaign, then scan the Marie amiibo.
Armor Helmet Replica	Complete the Single Player campaign, then scan the Marie amiibo.
Armor Jacket Replica	Complete the Single Player campaign, then scan the Marie amiibo.
Hero Headset Replica	Complete the Single Player campaign, then scan the Callie amiibo.
Hero Jacket Replica	Complete the Single Player campaign, then scan the Callie amiibo.
Hero Runner Replica	Complete the Single Player campaign, then scan the Callie amiibo.