The Red Hulk is literally a red version of the Hulk, but keeps his wits about him when he transforms and gets hotter instead of stronger when he’s angry.
The Red Hulk is a character that comes up a lot when people talk about who they want to see in the MCU.
It’s probably only a matter of time before the Red Hulk makes his MCU debut, but in what capacity is a subject for debate.
He’s an extremely powerful character, able to take on the Hulk on his best day.