MCU: 10 Fascinating Facts Behind Ant-Man & The Wasp (2018)
6. Giant-Man
While people referring to Scott Lang as ‘Giant-Man’ does fit
into a larger joke of the series – in that nobody ever seems to recognise
Ant-Man as Ant-Man, despite his distinctive suit and powers – it also serves as
a reference to the comic alias of Giant-Man.
Many in the history of comics have gone by the name Giant-Man;
with Hank Pym, Bill Foster, and Scott himself all having gone by the name at
some point or another. As the name has served as a side identity for Ant-Man
over the years, having it feature as an accidental side alias in the film is a
smart way to make an interesting reference.
While naming a man who can turn giant 'Giant-Man' is not the most creative choice in comic history, it's more than worth it for the fun reference.