Thanos creator Jim Starlin has revealed his cameo in Avengers: Endgame. 1 / 8
He cameos in Captain America's group therapy session towards the start of the film. 2 / 8
Starlin wrote several cosmic comics, including the influential Infinity Gauntlet. 3 / 8
Starlin's cameo is a bit of a surprise, as he had a falling out with Marvel Comics. 4 / 8
However, his Thanos adventures are what the MCU's Infinity Saga is based on. 5 / 8
He was responsible for shaping Thanos' dysfunctional family in the comics... 6 / 8
... As well as his plan to use the Infinity Gauntlet for a nefarious purpose. 7 / 8
Avengers: Endgame is in theaters now. 8 / 8