SPOILERS: This article contains Ant-Man details some readers may wish to avoid

Marvel's tiniest hero Ant-Man will be arriving in cinemas later this summer, but has a huge spoiler just inadvertently been dropped thanks to a toy tie-in?

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Lego's new Marvel Super Heroes set for Ant-Man, titled 'Final Battle', will let fans swoop Paul Rudd's con-man-turned-hero Scott Lang around atop a fly to fight off Corey Stoll's villain Yellowjacket.

However, the set includes a SECOND Ant-Man in the form of a black-suited Hank Pym minifigure.

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Yes, it looks like we may well get to see Michael Douglas suit up to bring the original incarnation of Ant-Man into the heart of the action.

Ant-Man, which also stars Evangeline Lilly, Judy Greer, John Slattery, Michael PeÃ±a and Bobby Cannavale, will premiere in cinemas on July 17.

Paul Rudd will become an Avenger in Captain America: Civil War

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Rudd's Ant-Man will also feature among the star-studded cast for 2016's Marvel film Captain America: Civil War.

Watch the trailer for Ant-Man below:

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