Activision, now under Microsoft ownership, put out the simply titled "Deadpool" back in 2013, and it was available on Xbox 360 and Xbox One, as well as PS3 and PS4. I haven't actually played it ...
According to PriceCharting, which tracks media sales online, the PS4 game - which originally retailed for £49.99 - could have been picked up for just £9 in May 2018 when the second Deadpool ...