Loved this section, but it did bring to mind an idea that had never occured to me before.
Thinking back to the moment that he had crawled feebly out of the Kryptonite cage, he tried to recall when he had first begun to realize that something wasn't right. After he had escaped from the influence of the Kryptonite, the agony of the direct radiation had disappeared although his body still hurt. He'd been barely able to stay on his feet when he staggered into the lobby of Lex Tower, and he had a vague recollection of people staring at him as he lurched toward the doors, but no one had tried to stop him. He'd hailed a cab to take him to the Lexor and the wedding reception, not sure what he intended to do when he got there, but that was rendered moot by the events playing out when he arrived. Perry and Lois, and masses of guests, out on the sidewalk. Lois, in her wedding gown, looking dazed and barely aware of her surroundings. Luthor's body hurtling downward to strike the pavement with a wet, nauseating sound that still made his stomach lurch. He'd tried to fly, tried to save the man, in spite of all that he had done, in spite of what the consequences would have been if he had succeeded, but his powers were gone. In a way, Luthor had won. He had killed Superman, and Clark Kent hadn't been able to prevent Luthor's death.
Even though your rendition is different than the original, it is essentially the same. Which leads to several interesting questions.
When did he take the time to change out of the costume and into regular clothes?
Why did he take the time to change out of the costume and into regular clothes?
How was he able to change out of the costume and into regular clothes?
(Are we noticing a pattern here?)
James