Some of the games stay up to date with new avatars, but others do not.
Diablo III: Years later they still never provided icons for the either gender of Necromancers, and I think they could expand for more NPC characters, like Squirt, Orek, Khul, Kadala; the Jeweler, Blacksmith, Enchanter; the Templar, Enchantress, Scoundrel, etc.
Overwatch: Would love it if they introduced icons with some of the heroes’ other skins.
Also, curious if there will be options in the future for us to make an avatar that looks like our main played character on customizable game characters (like in WoW).