#marvel #whatif #MCU Marvel's What If...? series returns for its third and final season. Bruce Banner's attempt to rid himself of the Hulk creates a monstrous threat that almost ends the world. With the use of Mech technology, the Avengers defeat the threat, paying the ultimate price. Ten years later, a new threat arises and the new Avengers team - lead by Sam Wilson as Captain America - must find a way to be victorious once again. But what price will they pay to save the world?