Well, it could be a story where a TARDIS malfunction lands Doctor Who in the middle of an Avengers battle, and they have to work together to figure out how to get the Doctor back on track and save the day. Or perhaps there's a multiverse crossover where alternate versions of both teams meet and have to face a common enemy.
You could imagine a scenario where Doctor Who and The Avengers team up to save the universe from a time-traveling threat. Maybe there's a villain manipulating timelines, and both teams need to combine their skills and knowledge to stop them.
You could write a crossover story where the Doctor teams up with the Avengers to save the universe from a combined threat.
Well, you could imagine a time-travel adventure where Sirius and James get pulled into the Doctor Who universe and have to face off against some alien threats.
It could be a humorous and wacky story where Doctor Who meets baby-talking characters in unexpected situations, leading to lots of funny and chaotic adventures.
You could write a story where the Doctor and the Muppets team up to save a magical world. It would be full of fun and adventure!
You could write a story where she has adventures in time and space inspired by her love for the show.
One possibility is a tale where a Time Lord gets involved in the Game of Thrones' political intrigues and uses time travel to change the course of events. Or imagine if a White Walker was accidentally transported to the Doctor Who universe and caused chaos.
You could write a time-travel adventure featuring Alexander Holmes and the Doctor facing off against a powerful alien threat.
You could have a story where Doctor Who travels to the magical world of Harry Potter and teams up with a powerful magician to solve a mysterious threat.
You could come up with a story where they team up to face a powerful and ancient evil that threatens the entire universe.
Well, you could have a story where Harry Potter travels through time and space with the Doctor to magical worlds and has adventures.