Iron Man: Pretty sure Stark has never died. Captain America: Cap was killed when he was shot after losing out the long-drawn registration battle against Stark and the government (the conclusion to the Civil War arc in Fallen Son: The Death of Captain America). But he wasn't actually dead.
Minors (individuals under age 18) and people who are mentally incompetent do not have the legal capacity to enter into contracts. All other people are considered to have the legal capacity to enter into contracts. In New Mexico and most states, the legal age for entering into contracts is 18 (see NMSA Â§28-6-1). A contract between a minor and an adult may be cancelled upon request of the minor, but is binding on the adult.
Age at which a child can sign and enter into a legal contract. A child under 18 can enter into a contract (without the assistance of a parental or guardian) if the contract is about the child acquiring rights but no obligations. If assisted by a parent or guardian, a child under 18 can enter into a contract where he/she acquires both rights and obligations.