A Phase I/II Open-label Dose Escalation and Expansion Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Efficacy of AZD6750, a CD8 Guided IL-2 Agent Alone and in Combination With Other Anti-cancer Agents in Participants With Select Advanced or Metastatic Solid Tumors

Inclusion criteria: * Participant ≥ 18 year * ECOG PS of 0 to 1 * Provision of 'archival' tumor specimen * At least one measurable lesion according to RECIST v1.1, * Minimum life expectancy of 12 weeks * Adequate and stable cardiac function * Adequate bone marrow, liver and kidney function * Body weight ≥ 35 kg * Capable of giving signed informed consent Module 1 specific inclusion criteria: • Participants with locally advanced or metastatic select solid tumors (MM, Squamous cell carcinoma of skin, MCC, NSCLC, Head and neck squamous cell carcinoma, Gastric cancer/gastroesophaegeal junction…