Here is the full list of all 14 Deadbeat Heroes achievements.
"But no. You must die. You all must die."
"I have the power to be... over THERE!"
"I also invented the pizza wheel."
"This is going to hurt you more than it'll hurt me! "
Unlocked Max - the team is complete!
"Feel my dislike of you!"
"Let's just say, you can't hold a candle to me."
Unlocked Betty
"Easy, and to an extent, peasy!"
"Sorry if I appear a little... frosty. It's what I do."
Unlocked Felicity
"Mama's gonna knock you out!"
"I'm The Business. That's why I'm proper hitting you in the face."
Completed your first mission