You can take out the XP tracker by clicking its ticky box in the first segment. I think you could just slot in the Marvel stress tracks as a list under a category of Stress, unless I'm missing something, there (I never played MHR).
Thank you very much. I was expecting there to be a way to put the stress tracks along the edge of the sheet, where the XP track was. Now that I know to just add a category, I'll do that. Thanks for your help!
The categories are physical stress, emotional stress, mental stress.