Tigra (Greer Grant) is a fictional American comic book superheroine in the Marvel Comics universe. Introduced as the non-superpowered crime fighter The Cat in Claws of the Cat #1 (Nov. 1972), she was co-created by writer-editor Roy Thomas, writer Linda Fite, and penciler Marie Severin. She mutated into the super powered tiger-woman Tigra in Giant-Size Creatures #1 (July 1974), by writer Tony Isabella and penciller Don Perlin. By signing this petition you are hereby supporting the notion that this character should be considered as downloadable content for the game Marvel: Ultimate Alliance 2.