A Research Study to Compare Blood Levels of Cagrilintide After Multiple Doses of Different Versions of Cagrilintide in Adults With Overweight or Obesity

Inclusion Criteria: * Aged 18-64 years (both inclusive) at the time of signing informed consent * Body mass index (BMI) between 27.0 and 34.9 kilograms per square metre (kg/m\^2) (both inclusive) at screening. Overweight should be due to excess adipose tissue, as judged by the investigator. * Considered to be generally healthy based on the medical history, physical examination, and the results of vital signs, electrocardiogram (ECG), and clinical laboratory tests performed during the screening visit, as judged by the investigator. Exclusion Criteria: * Previous participation in study(s) with an amylin analogue. Participation is defined as randomisation. * Any condition which in the investigator's opinion might jeopardise participant's safety or compliance with the protocol.