Fate x Marvel

DISCLAIMER: I DO NOT OWN MARVEL OR FATE AND ONLY OWN THE OC'S INSERTED IN THE STORY. AND THE STORY WILL BE 'AU' FOR CONVENIENCE SAKE.
Had an inspiration for this work from a another fanfic called fate/heroes by MrMoist, so check that out. As well as "A berserk heart" by 0_Jordinio_0.
What would happen when a man from our Earth suddenly wakes up inside the laboratory of a Hydra hideout with a voice inside his head. Read as he makes waves and screw up the timeline.
I DO NOT ANYTHING FROM FATE FRANCHISE OR MARVEL AND ALSO THE COVER ART IS NOT MINE.