Giant Man (Age of Apocalypse)

Giant Man is the alternate universe counterpart to Henry Pym.

Biography
Through means unknown, this Giant Man got his size-shifting powers during a war between mutants and humans as there was never anyone who led the mutants in peace.

He was part of the Avengers led by Captain America and consisting of Iron Man, Wasp, Black Widow, Spider-Man, and Hercules. Together they battled the X-Men led by Magneto.

During the battle, two more time travellers, Bishop and Shard, appeared on the battlefield. They took Wolverine and Storm with them as they jumped to another time.

Background
Giant Man's appearance was merely a cameo with no speaking part.

The costume design is based on Pym's costume when he used the Goliath identity.

In the Comics
Henry Pym doesn't appear in the Age of Apocalypse universe in any of his identities.