Top 10 Best Mature MCU Fanfics

by CAPSING · Peter Parker/Wade Wilson

In a world where the first words your soulmate will say to you appear on your left wrist at your tenth birthday, Peter gets the short end of the stick.

by dontcareajot · Peter Parker/Wade Wilson

Peter Parker finds himself in a sticky situation and who should show up to rescue him but the infamous Deadpool? Now Peter feels indebted to the mercenary... And maybe weirdly charmed by him.

by ras_elased · Steve Rogers/Tony Stark

Tony has a point system for the times he can get Steve to be less than perfect.

by STARSdidathing · Loki/Tony Stark

A betrayed Tony Stark leaves the Avengers. He's angry and bitter but he's not about to stop being a hero. The problem is that not everyone is happy with his decision.

by Fregor · Pepper Potts/Tony Stark

“Just tell me you've got somewhere to stay kid.” Stark practically begged.At least this one Harry could answer positively.“Oh yeah, it's fine. My house came with me."...“I've changed my mind. You're not Oliver Twist. You're Dorothy.”Thanks to good old Black family paranoia, Harry finds himself stran

by arahir · Eddie Brock/Venom Symbiote

Venom goes about love in every wrong way he knows how. Thank god for late night television.“Me. They invited me for dinner,” Eddie insists, trying again to make his hair look some specific way in the mirror. He’s given up and started over three times. It’s a double date. Like on that show.“What—w

by stuckybarnes · Peter Parker/Wade Wilson

(FIC HAS BEEN FULLY REVISED AND EDITED TO THIRD-PERSON POV! REVISED AS OF 6/30/21! WOO!) Wherein Deadpool is reluctantly hired to protect Peter Parker from an organization out to hunt him, with varying success on both ends and quite a lot of feelings, revelations, and identity crises.

by bookloser · Pepper Potts/Tony Stark

Harry Potter was done. All he had ever wanted was a little less time at the Dursleys. Technically, he got his wish after the Battle of the Department of Mysteries. But he had been picturing something along the lines of a quiet holiday in Italy, not a stint in Azkaban. One year later, Harry is releas

by dropdeaddream · Clint Barton/Natasha Romanov

“Ladies and gentlemen of the jury,” Peggy says, “These are the times that try men’s souls.”

by isaDanCurtisproduction · Peter Parker/Wade Wilson

So, Peter and Wade are dating. Wait, scratch that, they are totally engaged (Peter will show you the ring). Fiances for life, amiright?Everything from here on out should be totally happy-go-lucky, right?  Right? If your answer was, "Of course not, Peter's life will never be easy," than you're on th