This is all fictional, everyone is over 18, and hope you enjoy.
Character: Aunt May (Marisa Tomei), Peter Parker (Tom Holland)
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It was a few weeks after Peter's eighteenth birthday and he began to feel strange. He wasn't sure that the radioactivity was affecting him but he was sure something was happening to him.
Peter was having mood swings, fevers, and he was also more easily aroused. From a girl bending over to just seeing an attractive girl, Peter became super horny and had to get rid of the growing pressure in his pants before he would ruin them.
While jerking off, Peter noticed that his erection would last longer, his cum was sticker and messier, and that he would become hornier after having an orgasm. Peter also noticed that the heat would also cause him to be aroused too. Peter, not knowing what was going on began to run some test to see what was going on but the results gave no answer.
During a week of intense heat and humidity, Peter could barely control himself and jerked gallons and gallons of his seed everyday. Each orgasm got more and more intense and he wanted more. To make matters even worse the central air and heat went out completely in the entire building.
On one boiling night Peter decided to sleep in his underwear and nothing else. As Peter slept his dream slowly and slowly became more erotic. Peter was in S.H.E.I.L.D.'s training room and he was soaking wet with sweat and was shirtless. He tried to leave the room but the only door was locked and there were no other exits.
All of a sudden Black Widow came out of know where and she was wearing nothing but a leather bikini. Upon seeing her Peter got strong hard on but averted his eyes to be polite.
"Oh my god, sorry Black Widow." Peter said trying not to look at her.
"No need to be sorry Peter, I need your help and only you can help me." Black Widow whispered into Peter's ears, causing goosebumps and making his cock even harder.