The first 3 images were created by Myheritage with an AI. The last one is a "real" picture, so I actually dressed like that and took a picture of it with my cell phone. This is a child's costume, with the plastic helmet and the wooden sword. hehehe
Morty is hoping some chick, or dude, sees him online, falls madly in love with him, and white knights him into a future filled with love, discovery, and Butterfingers.