Vintage Superman, Batman comic lot auction grabs $6.5 million on day 1

There's also 'Batman' #1 and original Deadpool art.

A massive lot of vintage comic books and original art sold today for a combined $6.5 million and that number could total upwards of $10 million, with two more days to go.

The comic with Superman's first appearance nabbed $573,600, while "Batman" #1 was purchased for $227,050.

"We expect this to be one of the largest comic book auctions ever held," Eric Bradley, director of public relations for Heritage Auctions, told ABC News. He added the total proceeds after the weekend could reach upwards of $9 million to $10 million.

"We also expect great things on the horizons for Venom and Deadpool with those films coming out," he said.

In fact, one lucky Deadpool fan grabbed a piece of the "Merc with a Mouth"'s history in this auction.

Original art from his first appearance in "New Mutants" #98, from the 1990's, sold for more than $50,000.

"We also have original cover art from 'Amazing Spiderman' #61, the first cover appearance of Gwen Stacy," Bradley added.

That piece sold for $163,000.

The highest sale of the day went to a Frank Frazetta painting, that went for $1.7 million.