![A copy of 'Batman' No. 1 from 1940. Courtesy Heritage Auctions](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/X56FAHQMD2DWJVX3I2LTWHETXA.jpg?smart=true&auth=2451168f9df6bfed1558fc7b93d7bdc9552ef0c528adf9c01a588344e9711e1a&width=400&height=225)
A copy of 'Batman' No. 1 from 1940. Courtesy Heritage Auctions
A copy of 'Batman' No. 1 from 1940. Courtesy Heritage Auctions
Why this Batman comic fetched $2.2 million at auction
It's the highest price ever realised for a comic book starring Bruce Wayne and his caped alter ego