That it's ridiculous picking sides in a 'war' between the two companies when both of them openly will do whatever the fuck it takes to get people into a cinema trailer wise. The Avengers was filled with footage from the last act, CA: TWS spoiled who Winter Soldier was, MOS's trailer suggested Snyder via Malick and was staggeringly misleading.
Also, it's worth noting that Star Wars: TFA is hiding a lot of stuff BECAUSE the film is rooted around a number of central mysteries (what happened to Luke etc.) Whereas this is a film about superheroes fighting each other then a stupid rock monster. I'm not sure hiding the stupid rock monster is going to add a bunch of box office dollars.