The Red Hulk almost showed up much earlier, and was pegged as being the only Hulk that Marvel wanted to showcase.

Brave New World gives lots of attention to the fiery effects of the Red Hulk transformation, but never properly explains it.

Red Hulk recently displayed his incredible strength in the MCU, though these overpowered comic feats show why he's one of Marvel's strongest heroes.

Red Hulk’s intricately designed, visceral torso wasn’t the only overly textured body part in the movie. I could trace each wriggle of Samuel Sterns’ bulging, gamma-mutated externalized brain.