Yes, there are some. You can check out fanfiction websites like Archive of Our Own. There might be various stories exploring the relationship between Drax and Mantis, from adventure - based ones where they team up in different scenarios to more character - study - like fics that delve into their emotional bond.
One common theme is friendship. Given their interactions in the movies, many fanfictions explore how their friendship deepens over time. Another could be adventure, as they are part of the Guardians of the Galaxy and often get into exciting situations together.
One great 'drax x oc fanfic' could be 'Drax's New Ally'. It explores the relationship between Drax and an original character in an action - packed adventure. Another might be 'Drax and the Mysterious OC' which delves into how Drax reacts to an OC with a strange power.
In the comics, Drax is not dumb. He may not be the most sophisticated character, but he has his own kind of wisdom and skills that help him in battles and adventures.
Yes, there are some out there. You can start by looking on fanfiction websites like Archive of Our Own. There might be stories that explore their relationship in different ways, like adventures they go on together in the Nebula universe.
One common theme is the exploration of their unique relationship. Given their different backgrounds and abilities, fanfictions often show how they come to understand and support each other.
One common theme is friendship. Given their different backgrounds and abilities, they form a unique bond in the fanfics. Another theme is growth. Both characters often grow as individuals as a result of their relationship with each other.