A Study to Investigate Weight Management With LY3841136 and Tirzepatide (LY3298176), Alone or in Combination, in Adult Participants With Obesity or Overweight With Type 2 Diabetes

Inclusion Criteria: W8M-MC-LAA2 * Have a Body Mass Index (BMI) of ≥27 kilograms per square meter (kg/m²) * Have Type 2 Diabetes * Have a HbA1c ≥7.0 % (53 millimoles/mole (mmol/mol)) to ≤10.5% (91 mmol/mol) and treated with diet and exercise alone or with a stable dose of metformin (and not more than the locally approved dose) with or without a sodium-glucose cotransporter 2 (SGLT2) inhibitor for at least 3 months prior to screening W8M-MC-CWMM: * Have had a stable body weight for the 3 months prior to randomization (\<5% body weight gain and/or loss) Exclusion Criteria: W8M-MC-LAA2 * Have a history of severe hypoglycemia or hypoglycemia unawareness within the last 6 months prior to screening * Have an on-going or history of bradyarrhythmia and/or sinus bradycardia * Have an elevated resting pulse rate (mean \>100 beats per minute (bpm)) or reduced resting pulse rate (mean \<60 bpm) at screening * Have any of the following cardiovascular conditions within 6 months prior to screening: * acute myocardial infarction * cerebrovascular accident (stroke) * unstable angina, or * hospitalization due to congestive heart failure * Have renal impairment measured as estimated glomerular filtration rate (eGFR) \<45 milliliters per minute (mL/min)/1.73 m2 * Have a history of acute or chronic pancreatitis * Have fasting triglycerides \>500 milligrams per deciliter (mg/dL) (5.7 mmol/L) at screening * All concomitant medications should be at a stable dose for at least 3 months prior to screening W8M-MC-CWMM * Have a prior or planned surgical treatment for obesity, except prior liposuction or abdominoplasty, if performed \>1 year prior to screening. * Have type 1 diabetes mellitus, latent autoimmune diabetes in adults, or history of ketoacidosis or hyperosmolar coma. * Have poorly controlled hypertension. * Have a history of symptomatic gallbladder disease within the past 2 years * Have signs and symptoms of any liver disease other than nonalcoholic fatty liver disease. * Have a lifetime history of suicide attempts.