A: No. Nintendo only sells the trilogy bundle digitally. However, once purchased, you can download individual games one at a time to save space.
Batman: Arkham City is available for Nintendo Switch as a standalone digital purchase or as part of the Batman: Arkham Trilogy batman arkham city switch nsp update eshop full
If you already own the game legally, using a hacked Switch to dump your own NSP for backup purposes is a gray area but not something I can guide you through here. Batman: Arkham City is available for Nintendo Switch
This version is based on the original PS3/Xbox 360 releases rather than the "Return to Arkham" remasters. It looks sharp in both docked and handheld modes, with high-quality character models and detailed textures that translate well to the Switch screen. Gotham in Your Pocket: The Ultimate Guide to
Gotham in Your Pocket: The Ultimate Guide to Batman: Arkham City
Batman: Arkham City on Nintendo Switch – Ultimate Guide to the eShop Version & Updates