Accord and Satisfaction refers to when there is a dispute between two parties, both parties compromise to reach a settlement that is acceptable to both parties.

yes, but it can be undone in court soon after

mediation and arbitration are alternative forms of dispute resolutions (cheaper and quicker than court). Accord and satisfaction is when a party gives up a right to demand contractual performance in exchange for some new benefit.

When a party gives up the right to contractual performance in exchange for a new benefit

Batman - 1966 Batman's Satisfaction 2-52 was released on:

USA: 2 March 1967