There were missed opportunities. When Dillinger hsa brought himself into his company’s rebooted “CPU.”

1. Looking out onto the red cyberscape, there should be an actual LAKE OF FIRE

2. The identity disk that he retrieves should have nine concentric circles

Let me answer this from IMDB:

“In the film’s conclusion, Ares is shown writing a post card to Eve. Jared Leto's handwriting is large, sloppy, and takes up the entire message area. When Eve is shown holding the postcard, the handwriting is noticeably smaller and neatly written.”

The answer to this one is obvious: The former is the foul copy, the latter is the fair copy