He didn't appear in the U.S. Transformers fiction until his role as a main character in the Dreamwave Producations comics' Micromaster title.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: He didn't appear in the U.S. Transformers fiction until his role as a main character in the Dreamwave Producations comics' Micromaster title. ### Response: .