About spiderman and sailormoon toys cheap in Nanjing.

For what you want, I only know they are available at the Toysrus, which has three branches in the city. The price may be not cheap. Anyway, here are the addresses of its branches if you are interested:
1. Store no. L323-324, UniPark, no. 8, Fengxi Road, Gulou District
2. 2F, Wanda Plaza, no. 420, Shangyuan Street, Jiangning District
3. Store no. F615, Deji Plaza, no. 18, Zhongshan Road, Xuanwu District.