Great feedback!
Yes, the bow is no longer the dominant upgrade to get. Personally I find it really useful for taking down Spider-Trons though, so it still retains some relevance.
Also: Have you tried upgrading arrow width? It doesn't sound like much but makes it WAY easier to hit enemies in a way that kills them. This game is special in that just hitting someone is not enough. You have to hit them in a way that severs some vital part they need to function. :)
Picnics is what we'll be having in future versions. Good find! :)