How Captain America Should Have Returned the Stones in Avengers Endgame. When writing the Endgame HISHE the team had Cap returning the stones as a montage bit, but when the sequence became as long as a normal episode they had to table it. After the Endgame HISHE launched there were many many requests for a returning the stones short. So the video was put back into production and taken to San Diego Comic Con where it was premiered at the HISHE panel.