Jim Starlin got worried about Infinity War after seeing Justice League. 1 / 7
The Thanos creator was aware of what Marvel Studios was planning for the villain. 2 / 7
So he was informed that they need to condense his backstory in Infinity War... 3 / 7
...his mind immediately went to Justice League and its failure to establish its antagonist. 4 / 7
But knowing the previous works of the Russos, he eventually calmed himself down... 5 / 7
...and trusted them with the narrative. 6 / 7
Fortunately, they were able to pull it off by making Thanos the focal point of Infinity War. 7 / 7