Crossover: Where Are the Superhero Gadgets?

This is the author's first story, and the writing is rather immature. If that's not for you, please don't read it. Thank you. Updates whenever inspiration strikes.

Tong Xia wakes up to find that she's been bound to a System and has transmigrated to various universes with superheroes. She discovers that she can choose her bloodline through the System! Then she absolutely has to become one of the Wayne family's kids. Someone's too proud to say they love you? No problem, I can download truth serum! You're hurt? I've got twenty-four silver needles, with no side effects! Batman's no-killing rule is a real pain, so let me find a helper! Wait, what is this gorgeous blonde with a huge chest doing, falling from the sky into the Batcave? Batman's glare could kill someone! I-I'd better hide out at Stark Tower, or maybe at the professor's school next door.

It's a story about a superhero fan who transmigrates into the DC Universe, the X-Men universe, and Marvel with a System, and tries to save people from tragic fates. The timeline is a bit of a mess. This story was written to heal the superheroes, and I'll try to keep it light and funny. The characters might be a little OOC, so please don't read if that's not for you.

Theme: Superheroes deserve better lives.