Tony instantly regretted making Hulk go up the stairs 12 years ago; Loki wouldn't have gotten his own series if it weren't for Hulk's hatred of the stairs. [▻

Tony instantly regretted making Hulk go up the stairs 12 years ago; Loki wouldn't have gotten his own series if it weren't for Hulk's hatred of the stairs. [▻](https://video.twimg.com/amplify_video/2078741960118927360/vid/avc1/1916x1080/QjexuP3q4REgndSW.mp4)