In Invincible Season 2, we see Darkwing operate in Midnight City (the show's version of Gotham). However, this Darkwing is revealed to be the original one's sidekick, Nightboy.

Invincible is back with a brand-new season, but an important moment for Mark Grayson gets a surprising change that’s giving comic fans pause.

One of the best superhero lessons was introduced over two decades ago, and the MCU's latest project proves that it's still relevant today.