The X-Men face the Brotherhood of Evil Mutants and Sub-Mariner, while Spider-Man takes on the Vulture in Heritage’s Sunday & Monday Comics, Animation, & Art Weekly Online Auction.

The Sub-Mariner and the Brotherhood of Evil Mutants join forces in X-Men #6 CGC 7.5 to battle the formidable titular team. The issue, with cover and art by Jack Kirby, includes a Cyclops pin-up page.

The Steve Ditko cover of The Amazing Spider-Man #7 CGC 5.0 features a mid-air encounter between Spider-Man and the Vulture. This issue marks Spider-Man’s second encounter with the Vulture, a villain who uses an exo-suit for his schemes.

This auction contains 936 lots of comics, original art, and other memorabilia. Comics in the auction close on Sunday, March 15 and the remaining items end on Monday, March 16. Bidding opens at 6 PM CT on ha.com.