BELOW: Spinach was simply greedy: The "brilliant mixologist" known only as "Spinach" successfully captured She-Hulk and the Hulk, created a nasal spray that temporarily imbues people with super strength, and staged a battle with the Hulk -- all out of greed. He desired publicity which he thought would help popularize his product. After the Hulk defeated him and Thunderbolt Ross captured him, "Spinach" said: "Be sure to tell everyone what you saw here. This green stuff is going to make me a lot of green... once I get back on my feet."
BELOW: Captain America believes in the American people; he accuses Tony Stark of believing only in his "bank balance":
"...Who are 'the people,' anyway?"
"They're the ones I rode a Nazi rocket for," Steve said, moving even closer to Tony [Stark]. "They're the ones I got shot up with experimental chemicals for. They're the ones I pledge my life to, and if you're about to say that they don't know who I am and don't care what I've done, I'm here to tell you that doesn't matter. I believe in them. You don't believe in a damn thing except your bank balance."
"The people, huh?" Tony said. "Shouldn't you say der Volk?"
Faster than Fury could see, Steve leveled Tony with a pile-driver right hand...