Marvel's Lockjaw comic features two of DC's biggest superheroes, Superman and Wonder Woman.

Lockjaw runs into Superman and Wonder Woman, image via <a href="http://comicbook.com/marvel/2018/05/30/marvel-lockjaw-dc-comics-universe/" target="_blank">ComicBook.com</a>.

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Per ComicBook.com , the final issue of the Lockjaw miniseries has a small cameo from the DC heroes during a climatic battle.The series centers on Lockjaw reuniting with his long lost siblings, and it also reveals his true origins. In the latest issue, Lockjaw goes up against Annihilus, lord of the Negative Zone. Their battles take them to different realms, including Asgard, the Ultimate Universe, and Duckworld.The duo eventually ends up in one realm featuring two familiar-looking heroes. Both are wearing red boots, with one donning a red cape and the other sporting a lasso. These unnamed figures tell Lockjaw and Annihilus they're trespassing on private property.Though most of their upper body is cut off, they're meant to be none other than Superman and Wonder Woman.Lockjaw #4 is now out. Be sure to read our review of the first issue , which we say "succeeds by focusing on more than just the titular canine hero."

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